Tax Assistant exam – Model Questions

GENERAL AWARENESS

1. What is the International Date Line?(a) It is the equator(b) It is the 00 longitude(c) It is the 900 east longitude(d) It is the 1800 longitude

2. The oldest type of energy known to man is(a) wind power(b) solar power(c) tidal power(d) geothermal energy

3. Rusting of iron takes place due to(a) oxidation(b) carbonation(c) exidiation(d) corrosion

4. The river also known as Tsangpo in Tibet is(a) Ganga(b) Brahmaputra(c) Indus(d) Teesta

5. The largest ocean is(a) Atlantic Ocean(b) Indian Ocean(c) Arctic Ocean(d) Pacific Ocean

6. Energy that is produced commercially from coal is called(a) Light energy(b) Kinetic energy(c) Thermal energy(d) Potential energy

7. Jhum cultivation is a method of cultivation which used to be practiced in(a) Himachal Pradesh(b) Central Highland(c) Coastal Tamil Nadu(d) Nagaland

8. Earthquake is caused by(a) disturbance of earth surface(b) adjustment of layers of earth’s crust(c) breakage of rock system(d) upliftment of rocks

9. We always see the same face of the moon, because(a) it is smaller than the earth(b) it revolves on its axis in a direction opposite to that of the earth(c) it takes equal time for revolution around the earth and rotation on its own axis(d) it rotates at the same speed as the earth around the sun

10. The largest producer of gold in the world is(a) Australia(b) Canada(c) Russia(d) South Africa

11. The busiest and the most important sea route of the world is(a) North Pacific Sea Route(b) North Atlantic Sea Route(c) South Atlantic Sea Route(d) Indian Ocean Route

12. In terms of area, India is the – largest country of the world.(a) Second(b) Fourth(c) Sixth(d) Seventh

13. The word ‘Veda’ means(a) knowledge (b) wisdom(c) skill(d) power

14. Ain-i-Akbari was written by(a) Firishta(b) Ibn Batuta(c) Abul Fazl(d) Birbal

15. The medieval city of Vijayanagar is not known as(a) Chandragiri(b) Halebidu(c) Hampi(d) Kondavidu

16. Which one of the following Mughal buildings is said to possess the unique feature of being exactly equal in length and breadth?(a) Agra Fort(b) Red Fort(c) Taj Mahal(d) Buland Darwaza

17. With the fall of which among the following, the French Revolution began?(a) Bastille(b) Communes(c) Jacobin Club

(d) Pillnitz

18. The founder of the ‘Brahmo Samah’ was(a) Swami Dayananda Sarawati(b) Ishwar Chandra Vidyasagar(c) Raja Ram Mohan Roy(d) Swami Vivekananda

19. The correct chronological order in which the British established their trading centre in the places mentioned below is(a) Calcutta, Bombay, Madras, Surat(b) Bombay, Madras, Surat, Calcutta(c) Surat, Madras, Bombay, Calcutta(d) Surat, Madras, Calcutta, Bombay

20. The Revolt of 1857 was started by(a) the Sepoys(b) the Zamindars(c) the Peasants(d) the Plantation Workers

21. After leaving the congress, Subhash Chandra Bose formed, in 1939, his own party, named(a) Socialist Block(b) Revolutionary Socialist Block(c) Forward Block(d) Socialist-Congress Block

22. Bal Gangadhar Tilak was given the epithet of Lokmanya during(a) his imprisonment in 1908(b) Home Rule Movement(c) Revolutionary Movement(d) Swadeshi Movement

23. ‘Do or Die’ (Karenge ya Marenge) – Gandhiji gave this Mantra to the nation on the eve of which mass movement?(a) Rowlatt Satyagraha(b) Salt Satyagraha(c) Quit India Movement(d) Non-Cooperation Movement

24. Who among the following was the President of the Constituent Assembly of India?(a) Dr. Rajendra Prasad(b) Jawaharlal Nehru(c) M A Jinah(d) Lal Bahadur Shastri

25. ‘Directive Principle’’ in our Constitution are(a) enforceable in the courts of law(b) quasi-enforceable(c) partly non-enforceable(d) non-enforceable in the courts of law

26. CTBT denotes

(a) arms control measure(b) drugs control measure(c) financial control measure(d) trade control and regulation

27. Name the State carved out of Madhya Pradesh after the Parliament passed the legislation in the year 2000(a) Vanachal(b) Chhattisgarh(c) Vidarbha(d) Uttaranchal

28. Dialectial Materialism is associated with the theory of(a) Fabianism(b) Communism(c) Liberalism(d) Individualism

29. A motion moved by a member in a legislature when it is desired to have a discussion on a matter of urgent public importance is called(a) Adjournment motion(b) No-confidence motion(c) Cut motion(d) None of the above

30. Which of the following was established by B R Ambedkar?(a) Swaraj Party(b) Samaj Samata Party(c) Bahujan Samaj Party(d) The Independent Labour Party

31. No Government Expenditure can be incurred in India except with the sanction of(a) the Parliament(b) the Prime Minister(c) the President(d) the Supreme Court

32. Which one country is not a permanent member of the Security Council of the United Nations?(a) France (b) Germany(c) Russia(d) USA

33. When does Lok Sabha or a Vidhan Sabha election candidate forfeit his security deposit?(a) When he fails to win the election(b) When he fails to secure even 1/4 of total votes polled(c) When he fails to secure even 1/5 of total votes polled(d) When he fails to secure even 1/6 of total votes polled

34. The term of office of the members of the UPSC is(a) 3 years, or till they attain 58 years of age(b) 5 years, or till they attain 60 years of age(c) 6 years, or till they attain 65 years of age(d) 6 years

35. Who was in favour of a partyless democracy?(a) Jai Prakash Narain(b) Bhupendra Nath Dutta(c) M N Roy(d) Jawaharlal Nehru

36. The majority of the provisions of the Indian Constitution can be amended(a) by the State Legislatures acting together(b) by the Parliament alone(c) with the major approval of the Parliament and State Legislatures(d) only on ratification by half of the States

37. Economics of Scales means reduction in(a) unit cost of production(b) unit cost of distribution(c) total cost of production(d) total cost of distribution

38. RBI does not transact the business of which State Government?(a) Nagaland (b) Jammu & Kashmir (c) Punjab (d) Assam

39. The famous book The General Theory of Employment, Interest and Money is written by(a) J B Say(b) J M Keynes(c) Amartya Sen(d) Carincross

40. The definition of ‘small-scale industry’ in India is based on(a) sales by the unit (b) investment in machines and equipments(c) market coverage (d) export capacity

41. When the total product rises at an increasing rate, the(a) marginal product is zero(b) marginal product is rising(c) marginal product is falling(d) marginal product remains constant

42. Water pipes in hilly areas often burst on a cold frosty night, because(a) the material of which pipes are made contracts due to cold and so breaks(b) water in the pipes freezes and on freezing water expands, so pipes(c) burst makes the pipes rusty, so they break(d) none of the above

43. With which form of economy is the term ‘Laissez-faire’ associated?(a) Capitalist economy(b) Socialist economy(c) Mixed economy(d) Command economy

44. In the budget figures of the Government of India, interest payments, subsidies, pensions, social services and the like are parts of the(a) Plan Expenditure (b) State Government Expenditure

(c) Public Debt in the form of Capital Expenditure(d) Non-plan Expenditure

45. ‘Green Accounting’ means measuring the National Income of the country taking into account estimation of(a) the total forest area of the country(b) the destruction of forest cover of the country(c) pollution and environmental damage(d) area of reclaimed fallow land

46. The supply of agricultural products is generally(a) elastic(b) inelastic(c) perfectly elastic(d) perfectly inelastic

47. Which of the following taxes is not collected by the Central Government?(a) Income tax(b) Customs duty(c) Professional tax(d) Excise duty

48. The latest addition to the list of UNESCO’s world heritage sites in India is(a) Qutub Minar(b) Humayun’s Tomb(c) Khajuraho Temple(d) Red Fort

49. The countries separated by the Mac-Mahon Line are(a) Afghanistan and Pakistan(b) Bangladesh and India(c) China and India(d) Pakistan and India

50. The permission given to a bank customer to draw cheques in excess of his current account balance is called(a) a personal loan(b) an ordinary loan(c) discounting a bill of exchange(d) an overdraft

51. A proclamation of emergency, under Article 352, on account of war or aggression requires approval of the Parliament within(a) one month(b) two months(c) four months(d) six months

52. The first Defence Minister of India was(a) K M Cariappa (b) Gopalaswami Aiyangar(c) Baldev Singh (d) Sardar Patel

53. Provincial Autonomy was introduced in India by the

(a) Indian Councils Act, 1909(b) Government of India Act, 1919(c) Government of India Act, 1935(d) Indian Independence Act, 1947

54. Which one country is still governed by a monarch?(a) Afghanistan(b) Iran(c) Iraq(d) Saudi Arabia

55. Article 370 of the Indian Constitution upholds(a) land reforms legislation in India(b) diplomatic privileges and immunities(c) special status of Jammu and Kashmir State(d) duties and rights of Lokpal

56. Who amongst the following is the author of the classic book Life Divine?(a) Ravi Shankar(b) Swami Vivekananda(c) Radha Krishnan(d) Aurobindo Ghosh

57. The first woman to become a Chief Minister of any State in India was(a) Nandini Satpathy(b) Dr. J. Jayalalitha(c) Sucheta Kripalani(d) Mayawati

58. A parachute descends slowly whereas a stone dropped from the same height falls rapidly, because(a) stone is heavier then parachute(b) special mechanisms are present in parachute(c) a parachute has a larger surface area and air resistance is more(d) None of these

59. Jaduguda is associated with the mining of(a) iron(b) mica(c) uranium(d) copper

60. Salim Ali was an eminent(a) Urdu poet(b) Ornithologist(c) Ghazal singer(d) None of the above

61. ‘Survey of India’ is under the Ministry of(a) Defence(b) Environment and Forests(c) Home Affairs ((d) Science and Technology

62. Name the President of India who was elected unopposed(a) Dr. Shankar Dayal Sharma(b) Dr. Neelam Sanjiva Reddy(c) Dr. Fakhruddina Ali Ahmed(d) Dr. Zakir Husain

63. The authority which is not established by the constitutional provisions is(a) Finance Commission(b) Planning Commission(c) UPSC(d) Election Commission

64. Which of the following organizations is the oldest?(a) IMF(b) WHO(c) ILO(d) FAO

65. The Department of Space proposed setting up of Indian Institute of Space Technology on the line of the seven IITs. It will have its independent campus at(a) Chennai(b) Thumba(c) Thiruvananthapuram(d) Sriharikota

66. Which metal was first used by the Vedic people?(a) Silver(b) Gold(c) Iron(d) Copper

67. Ryder Cup is related with which sports?(a) Football(b) Golf(c) Badminton(d) Cricket

68. In our Constitution, Economic Planning is included in(a) Union list(b) State list(c) Concurrent list(d) Not any specified list

69. ‘NABARD’ is associated with the dev elopment of(a) agricultural sector and rural area (b) heavy industries(c) banking sector(d) real estates

70. World No. 2 Rafael Nadal won the French Open, 2007 defeating(a) Stegan Edberg(b) Andy Roddick(c) Roger Federer(d) Fred Alexander

71. Which one of the following is not a plantation crop?(a) Tea(b) Coffee(c) Rubber(d) Sugarcane

72. Imputed gross rent of owner-occupied buildings is a part of(a) capital formation(b) final consumption(c) intermediate consumption(d) consumer durable

73. How many strings are there on a Sarod?(a) 7(b) 19(c) 5(d) 4

74. Which one of the following is the tallest bird?(a) Peacock(b) Penguin(c) Ostrich(d) Emu

75. Which one of the following animals is called farmer’s friend?(a) Ant(b) Earthworm(c) Bee(d) Butterfly

76. The largest planet in our solar system is(a) Mars(b) Jupiter(c) Saturn(d) Butterfly

77. The term ‘gene’ was coined by(a) T.H.Morgan(b) W.L.Johanssen(c) G.Mendel(d) De Vries

78. Which of the following creatures has maximum number of ribs?(a) Crocodile(b) Snake(c) Ray fish(d) Flying mammal

79. Which one of the following is most important for the growth of children up to the age of 14?(a) Protein(b) Vitamin(c) Fat(d) Milk

80. Study of newly born up to the age of 3 months is called(a) Chorology(b) Conchology(c) Nematology(d) Neonatology

81. Which one of the following does not secrete any digestive enzyme?(a) Liver(b) Salivery gland(c) Glands of small intestine(d) Pancreas

82. In a tribute to Mahatma Gandhi’s philosophy of brotherhood and peace, the UN General Assembly declared his birth anniversary, October 2, as the(a) International Day of Non-Violence(b) International Day of Co-operation(c) International Day of Peace and Co-operation(d) International Day of Prace and Non-Violence

83. Which one of the following is related to Silviculture?(a) Culture of Hilsa(b) Culture of silver carp(c) Culture of oil-producing plants(d) Forests crops

84. The term ‘GM food’ refers to the food(a) that grows under genetic measures(b) that is genetically modified(c) that grows under geographical modification(d) with greater glucose metabolism capacity

85. The only age of India found in hill forests of Assam and Nagaland is(a) Orangutan(b) Gibbon(c) Chimpanzee(d) Gorilla

86. Free Trade refers to(a) free movement of goods from one country to another(b) movement of goods free of cost(c) unrestricted exchange of goods and service(d) trade free of duty

87. Which gas is used as fire extinguisher?(a) Carbon dioxide(b) Carbon monoxide(c) Carbon suboixde(d) Sulphur dioxide

88. Which one of the following is extensively used for sterilizing water?(a) Bleaching powder(b) Alum

(c) Borax powder(d) Soda powder

89. Which mixture of gases is mainly stored as a liquid under pressure in LPG cylinder?(a) Methane and Ethane(b) Ethane and Hexane(c) Propane and Butane(d) Hexane and Octane

90. The energy stored in a watch spring is(a) kinetic energy(b) potential energy(c) heat energy(d) chemical energy

91. Which one of the following acids is used in battery?(a) Hydrochloric acid(b) Hydrofluoric acid(c) Sulphuric acid(d) Sulphurous acid

92. The sensation of weightlessness in a spacecraft in an orbit is due to the(a) absence of gravity outside(b) acceleration in the orbit which is equal to the acceleration due to gravity outside(c) presence of gravity outside but not inside the spacecraft(d) fact that spacecraft in the orbit has no energy

93. The major constituent of air is(a) nitrogen(b) carbon dioxide(c) oxygen(d) hydrogen

94. Which of the following organisms is most likely to produce greenhouse gases such as nitrous oxide and methane?(a) Fungi(b) Earthworm(c) Bacteria(d) Green plants

95. Where is the largest reflecting telescope of Asia?(a) Kodaikanal(b) Ooty(c) Kavalur(d) Naintal

96. ‘Therm’ is the unit of(a) power(b) heat(c) light(d) distance

97. Cream gets separated out of milk when it is churned. This is due to

(a) gravitational force(b) centripetal force(c) centrifugal force(d) frictional force

98. Newton’s 1st law of motion gives the concept of(a) energy(b) work(c) momentum(d) inertia

99. The process by which sun’s rays reach the earth is(a) radiation(b) conduction(c) convection(d) diffusion

100. A pond of water appears less deep due to(a) reflection(b) diffraction(c) refraction(d) polarisation

ANSWER KEYS1. (d) 2. (d) 3. (a) 4. (b) 5. (d) 6. (c) 7. (d) 8. (a) 9. (c) 10. (d) 11. (b) 12. (d) 13. (a) 14. (c) 15. (c) 16. (c) 17. (a) 18. (c) 19. (d) 20. (a) 21. (c) 22. (b) 23. (c) 24. (a) 25. (d) 26. (a) 27. (b) 28. (b) 29. (a) 30. (d) 31. (a) 32. (b) 33. (d) 34. (c) 35. (a) 36. (d) 37. (a) 38. (b) 39. (b) 40. (b) 41. (b) 42. (b) 43. (a) 44. (d) 45. (c) 46. (b) 47. (c) 48. (d) 49. (c) 50. (d) 51. (a) 52. (c) 53. (c) 54. (d) 55. (c) 56. (d) 57. (c) 58. (c) 59. (c) 60. (b) 61. (d) 62. (b) 63. (b) 64. (c) 65. (c) 66. (c) 67. (b) 68. (c) 69. (a) 70. (c) 71. (d) 72. (b) 73. (b) 74. (c) 75. (b) 76. (b) 77. (b) 78. (b) 79. (a) 80. (d) 81. (a) 82. (a) 83. (d) 84. (b) 85. (b) 86. (c) 87. (a) 88. (a) 89. (c) 90. (b) 91. (c) 92. (b) 93. (a) 94. (c) 95. (c) 96. (b) 97. (b) 98. (d) 99. (a) 100. (c) 

ENGLISH GRAMMER:

Each of the following questions consists of an incomplete sentence. Choose the word or phrase which best completes the sentence according to standard written English.1. The day was so _____ that we decided to take a picnic lunch to the beach.1. clear and warmly2. clearly and warmly3. clearly and warm4. clear and warm2. The man _____ is my brother-in-law.1. of the dark beard2. with the dark beard3. to the dark beard4. with the dark beard on.3. When Anita got to class, she was horrified _____ to study for the test.1. discovering she forgot2. at discovering she had forgotten3. to discover she had forgotten4. to discover she forgot4. Reaching the top of the mountain, we _____ Energy left for the descent.1. had hardly any2. hadn't hardly any3. had hardly no

4. hadn't hardly no5. The play _____ the typical American tourist.1. poked fun at2. made the audience to laugh at3. made a mockery to4. joked at6. Everyone brought _____ lunch to the picnic.1. their2. there3. its4. his or her7. He doesn't know _____ about sports.1. nothing2. anything3. at all4. something8. That was the year _____ I was born.1. where2. into which3. in which4. at which9. The package containing books and records _____ last week.1. is delivered2. are delivered3. was delivered4. were delivered10. The stolen jewels must be recovered _____1. at any cost2. to any cost3. with any expense4. no matter any expenditure11. As I _____ , I suddenly remembered that it was your birthday.1. to feed my cats2. am feeding my cats3. had fed my cats4. was feeding my cats12. Before anyone could do anything, the boat slowly _____1. sinks2. was sinking3. sank4. was sank13. The cat jumped _____ my lap.1. beside2. away3. into4. by14. The children ran screaming into _____ own rooms.1. his2. they're3. their4. its15. If I can get _____ with my exams,I'II take a long vacation.1. under2. beyond

3. behind4. through16. The dog _____ with the baby.1. made friends2. made friendly3. befriended4. befriending17. _____ my good advice,Jim walked home in the rain.1. Away from2. Contrary to3. The reverse of4. Rejecting himself of18. I went to the movie _____ I wanted to see John Wayne.1. although2. before3. as soon as4. because19. Don't _____ in that broken chair.1. sit2. set3. sitting4. sat20. A large _____ of older - model cars do not have proper smog-control devices.1. many2. lot3. amount4. number

QUANTITATIVE:

1. The LCM of 2/9, 4/15 & 1/30 is how many times the HCF of 7/15, 21/40 & 14/15?1. 160/72. 7/1603. 120/74. 90/72. 0.0874 + 1.236 - 0.0012 + ? = 1.4891. 0.15682. 0.15783. -0.16684. 0.16583. 30% of 300 - 40% of 400 + 50% of 500 = ?1. 18002. 1803. 184. 180004. If 243 x 162 = 39366, then 3936.600 ÷ 0.243 = ?1. 16202. 162003. 1624. 1620005. 114.01 + 222.01 + ? = 4001. 63.982. 43.783. 736.024. -53.98

6. The difference between the circumference and the radius of a circle is 37 cm (use p = 22 / 7). The diameter of the circle is1. 7 cm2. 14 cm3. 33 cm4. 37 cm7. The LCM of two multiples of 12 is 1056. If one of the numbers is 132, the other number should be1. 122. 723. 964. Data inadequate8. The average of seven results is 5; the average of first three is 3, and that of the last three is 7. The fourth result is1. 62. 53. 44. 39. A man walking at the speed of 4 kmph crosses a square field diagonally in 3 minutes. The area of the field is1. 20000 sq m2. 25000 sq m3. 18000 sq m4. 19000 sq m10. The area of a rectangular field is 144 sq m. If the length is increased by 5 m, its area increases by 40 sq m. The length of the field is1. 12 m2. 14.4 m3. 16 m4. 18 m11. A, B and C are partners and make a profit of Rs. 4800 which is distributed among them in the ratio 6:5:4. The difference of the amounts A and C received is1. Rs. 6402. Rs. 12903. Rs. 12804. Rs. 160012. A, B, & C enter into a partnership with investments in the ratio 3:4:9. If at the end of the year, B's share of profit is Rs. 6175, what is the total profit?1. Rs. 243002. Rs. 246003. Rs. 247004. Rs. 2410013. X and Y enter into a partnership. X contributes Rs. 8000 and Y contributes Rs. 10000. At the end of six months they introduce Z, who contributes Rs. 6000. After the lapse of three years, they find that the firm has made a profit of Rs. 9660. Find the share of each.(in Rs.)1. X-3240, Y-4200, Z-22002. X-3360, Y-4400, Z-21003. X-3360, Y-4200, Z-21004. 3260, Y-4000, Z-220014. Umedh Singh and Zorawar Singh invested in a business. They earned some profit which they divided in the ratio 2:3. If Umedh Singh invested Rs. 24, the amount invested by Zorawar Singh was1. Rs. 362. Rs. 163. Rs. 304. Rs. 4815. Abdul and Aamir invest respectively Rs. 30000 and Rs. 40000 in a business. Abdul receives Rs. 100 per month out of the profit for running the business and the rest of the profit is divided in proportion to the investments. If in a year Abdul totally receives Rs. 3900, what does Aamir receive?1. Rs. 3500 2. Rs. 36003. Rs. 39004. Rs. 420016. 7 women and 6 men can do what 4 men and 11 women can do in the same time. 19 women can do the same job in how much time?

1. Same2. Half3. One-third4. Two-third17. If A can walk a certain distance in 40 days when he takes rest 9 hours each day; how much long will he take to walk the same distance twice as fast and rest twice as long each day?1. 50 days2. 45 days3. 38 days4. 16 days18. If 20 men or 25 women or 30 boys can do a piece of work in 16 days by working 10 hours a day, then how many men with 10 women and 18 boys can do 3 ¼ times the same work in 26 days by working 8 hours daily?1. 35 men2. 30 men3. 40 men4. 48 men19. Some persons can do a job in 12 days. Two times the number of those persons will do half of that job in1. 6 days2. 4 days3. 12 days4. 3 days20. 400 men working 9 hrs a day complete ¼ th of the work in 10 days. The number of additional men, working 8 hrs a day, required to done the remaining work in 20 days is1. 6752. 2753. 2504. 22521. 25% of 240 will be how much more than 33.33% of 180?1. 52. 103. 64. Nil22. 350% of a number is what percent of 250% of that number?1. 40%2. 44%3. 140%4. 71%23. If the length of a rectangle is increased by 20% and the width decreased by 20%, the area of the rectangle will1. Decrease by 4%2. Increase by 4%3. Decrease by 1%4. Not change at all24. A shopkeeper increases the price of a commodity by 25% and again increases it by 20%. The net percent increase is1. 45%2. 40%3. 50%4. 47%25. The cost of a pant is 60% of the cost of a coat and 300% of the cost of a shirt. If all three cost Rs. 2160, the cost of the shirt will be1. Rs. 2902. Rs. 2803. Rs. 3604. Rs. 24026. If sold for Rs. 247.50, an object gives a profit of 12.5%. The cost price is1. Rs. 2102. Rs. 2203. Rs. 2244. Rs. 22527. A fruit seller purchases oranges at the rate of 3 for Rs. 5 and sells them at 2 for Rs. 4. His profit in the

transaction is1. 20%2. 25%3. 15%4. 10%28. A merchant sold his goods for Rs. 75 at a profit percent equal to the cost price. His cost price is1. Rs. 502. Rs. 603. Rs. 804. Rs. 10029. A man buys an article at ¾ th of its value and sells it for 20% more than its value. His profit based on the cost is1. 45%2. 50%3. 60%4. 75%30. The LCM of numbers 12, 18, & 24 is how much more than their HCF?1. 662. 693. 704. 7231. Find the minimum number of square tiles of equal size for the floor of a room which is 1 m 4 dm 7 cm long and 1 m 8 dm 2 cm wide.1. 2502. 2663. 1404. 14532. The average of first five prime numbers is1. 5.402. 5.703. 5.604. 5.8033. The average weight of 8 men is increased by 1.5 kg when one of them who weighs 65 kg is replaced by a new man. The weight of the new man is1. 76 kg2. 76.5 kg3. 76.7 kg4. 77 kg34. A man distributed Rs. 100 equally among his friends. If there had been five more friends, each would have received one rupee less. How many friends did he have?1. 202. 303. 404. 5035. In an exam, the average was found to be 50 marks. After detecting computer errors, the marks of 100 candidates had to be changed from 90 to 60 each and the average came down to 45. The total number of candidates who took the exam was1. 6002. 7003. 5004. 400