question:The smallest prime number is:
Options:
(A) 1
(B) 2
(C) 3
(D) 4
(E) 5
answer:(B)
Stream of consciousness:The smallest prime number is 2.

question:How much is 80% of 40 is greater than 4/5 of 25?
Options:
(A) 29
(B) 776
(C) 66
(D) 12
(E) 99
answer:(D)
Stream of consciousness:(80/100) * 40 (4/5) * 25
32 - 20 = 12

question:There are 10person among whom 2are brother. The total no.of ways in which these persons can be seated around a round table so that exactly 1person sit between the brothers, is equal to?
Options:
(A) 7!*3!
(B) 7!*2!
(C) 6!*3!
(D) 5!*2!
(E) 8!*3!
answer:
(B)
Stream of consciousness:Total number of ways = 7!*2!.