For analytical puzzle , you should solve GRE BIG BOOK 27 test . IF you face any problem during solving those puzzle without explanation then I will suggest you buy the GRE big book bangla version from 1 to 15 test with explanation from nilkhet that is available . you should also solve saifurs analytical puzzle book and previous years IBA (BBA & MBA) books where you can find many puzzle with explanation.

For critical reasoning , I will tell you the most clever technique do not memorize or practice any critical reasoning for long time ( 1 year or 6 months ) - just leave for you 7 to 8 hours for critical reasoning before starting IBA exam. I think , you are thinking what I am telling ..am I going crazy ???? ha ha ha NOPE .. I am okay and telling you the most clever technique to solve on the IBA exam time without wasting 6 to 10 minutes for thinking of critical reasoning. How that possible .. yes that only possible if you read only the answer from the GRE BIG BOOK & OFFICIAL GMAT BOOK critical reasoning in lieu of understanding of whole passage. DO not memorizing or understanding or spending time on whole passage of critical reasoning if you want to save time on exam day . Here I will show you 1 example for you to get better understanding .

The breakup of the phone company in 1984 and the deregulation of long distancerates have produced nothing but benefits. The American phone companies are no longer falling behind the rest of the world in technology. Long-distance rates have declinedsince deregulation. Telephone costs to businesses have remained the same or even declined slightly. And a legion of smaller telephone companies are showing high profits.

Which of the following, if true, most seriously weakens the argument above?

A. The price of stock in the companies spun off from American Telephone has risensharply since 1984.

B. The monthly charge for telephone service in the home has risen each

C. Sixty percent of the telephone service in African countries is dependent upon American technology.

D. Increased revenue earned by telephone companies leads to increased federal revenues by way of taxes on telephone calls and corporate profits.

E. Eighty percent of the consumers polled report better telephone services in 1990 than in

1980.

The correct answer is ( B )B. ( The monthly charge for telephone service in the home has risen each )

Dont read the entire passage during exam . when you will start to read critical reasoning 7 to 8 hours before starting IBA exam from GRE big book & official GMAT just keep your eyes comprehensively and carefully again and again on the correct answer line of the passage instead of seeing or reading the entire passage . Above mentioned critical reasoning , you see that the correct answer line is ( B ) . so you just need to see and try to grasp the correct answer line within your brain again and again and neglect the entire passage what is based on or what is required . Because from GRE big book 1 to 27 test , you will find at least 2 to 3 critical reasoning directly during IBA exam and from official GMAT you will find at most 1 question directly during IBA exam . SO you dont need to read or understand the entire passage just memorize the correct answer line from GRE big book & GMAT official directly again and again . This short term clever process will help you to solve 3 or 4 critical reasoning question within 20 seconds instead of wasting 8 or 10 minutes during IBA exam and here the possibility of getting correct answer 100 % and saving time 95 % if you be able to memorize only the correct answer line from GRE big book 1 to 27 test and from official GMAT. Try to increase your power of eye-sight so sharply by seeing the correct answer line before starting exam and try to answer critical reasoning at first because you just have read the answer line before appearing on the exam . so the correct answer will revolve around your head and it will help you to put the correct answer on the answer sheet correctly within very short time. . Just try this system at home before exam .