CLASS - X

ENGLISH

HINDI /ASSAMESE

MATHS

SCIENCE

SOCIAL SCIENCE

GENERAL INSTRUCTIONS:

DON’T FORGET TO WRITE YOUR NAME, CLASS, ROLL NO. , SUBJECT & TOPIC ON THE

COVER PAGE.

ALL THE ASSIGNMENTS SHOULD BE SUBMITTED SUBJECT WISE SEPERATELY ON A4 SIZE

PAPER.

ASSIGNMENTS SHOULD BE SUBMITTED ON OR BEFORE 5TH AUGUST 2016 WITHOUT FAIL.

ASSIGNMENTS AS A WHOLE OR ANY RELATED MATERIALS USED THERE ARE TO BE KEPT

AS RECORD.

ASSIGNMENT IS MANDATORY, GRADES OF ASSIGNMENT WILL BE ASSESSED TO THE

TERM RESULT.

H A P P Y

S U M M E R

1. Many years have elapsed. Mr. Abel Merryweather passed away some years

back. Mrs. Slater is old and she realises how greedily she had behaved with

her father. She is grief sticken and regrets her action. She unburdens herself

in a diary-entry. Compose this on her behalf. 10marks.

2. Compose a short poem along with background pictures and colorful

presentation on the special bond shared by grandparents and grand-children.

10marks.

20 MARKS

Real numbers

Q.1) Show that one and only one out of n, n+2 or n + 4 is divisible by 3, where n is any positive

integer.

Polynomial

Q.2) Obtain all the zeroes of the polynomial P(x) = 3x4 – 15x

3 + 17x

2 + 5x – 6 , if two of its zeroes are

1/√3 and 1/√3.

Q. 3) Find the value of ‘a’ and ‘b’ so that 1, –2 are the zeroes of the polynomial x3 + 10x

2 + ax + b.

Q. 4) If and and are the zeroes of the quadratic polynomial f(x) = 3x2 – 6x + 4, then find the value of α/β + β/α + 2(1/α +1/β) +3αβ.

Linear Equation in two variables

Graphical Method

Q.5)Draw the graph of equation 2y – x = 7 and determine from the graph whether x = 3, y = 2 is a

solution or not?

Q.6) Solve graphically the following system of linear equations:

(a) x + 2y –3 = 0 ; 4x + 3y = 2

(b) 3x + y = 1; 2y = 2 –6x

(c)

Q.7) Determine graphically the vertices of a triangle whose sides are:

(a) 3x –y = 7 ; 4x –5y = 2 ; x = -2

(b) x–2y + 8 = 0 ; 5y –x –14 = 0 ; 2x –y + 1 = 0

Algebraic Method

Q.8) Solve the following equations by substitution method:

(a) 3x + 11y = 13 ; 8x + 13y = 2

(b) x + 2y = 1.6 ; 2x + y = 1.4

Q.9) Solve the following using cross-multiplication method. Also, use any other method to solve them.

(i) (a –b)x + (a + b)y = 2(a2–b

2) ; (a + b)x -(a -b)y = 4ab

(ii) x/a = y/b ; ax + by = a2 + b

2. Where x, y are non-zero.

Q.10) Obtain all the zeroes of the polynomial P(x) = 3x4 – 15x

3 + 17x

2 + 5x – 6 , if two of its zeroes

are 1/√3 and 1/√3.

Q.11) Find the value of ‘a’ and ‘b’ so that 1, –2 are the zeroes of the polynomial x3 + 10x

2 + ax + b.

Q.12) If and and are the zeroes of the quadratic polynomial f(x) = 3x2 – 6x + 4, then find the value of α/β + β/α + 2(1/α +1/β) +3αβ.

20 MARKS

1. Study the following data and write which set of value should be rejected so that ohm’s law

holds good for the remaining set of values. Draw the graph and find out the mean resistance.

V(volts) 2.5 5.0 10.0 15.0 20.0 25.0

I(A) 0.1 0.2 0.3 0.6 0.8 1.0

2. (i) Which has more resistance: 100W bulb or 60W bulb?

(ii) How is a Voltmeter connected in the circuit to measure the potential difference between two

points?

3. Two wires A and B are of equal lengths, different cross-sectional areas and made of the same

metal.

(a) (i) Name the property which is same for both the wires.

(ii) Name the property which is different for both the wires.

(b) If the resistance of wire A is four times the resistance of wire B, then calculate-

(i) The ratio of the cross-sectional areas of the wires.

(ii) The ratio of the radii of the wires.

4. A resistor of 8 ohm is connected in parallel with another resistor X. The resultant resistance of

the combination is 4.8 ohm. What is the value of X?

5. How will you connect three resistors of 2 ohm, 3 ohm, 5 ohm respectively so as to obtain a

resultant resistance of 2.5 ohm? Draw the diagram to show arrangement.

1. Study the following cartoon carefully and give a proper description

Of what it says. 10 marks

-

2. Make a bar or pie chart with different colour showing the proportion

of speakers (%) of the scheduled languages. 10marks

Or

Prepare a map of linguistic diversity of India by shading region where

each of this language is spoken.(use different colours to indicate

different languages spoken in different parts of India, also put an index)

20 Marks

i) Which instrument do you like to play and why? Describe about the instrument along with its figure.

ii) What type of song do you like to sing and why? Describe it on chart paper.

Prepare one melodious song which you like.

DO ANY ONE OF THE FOLLOWING: (20 Marks)

EMBOSS PAINTING

GLASS PAINTING