Common Admission Test 2008 : Solved Paper PDF

Common Admission Test 2008 : Solved Paper (PDF File)

This section contains 25 questions.
1. The intergers 1, 2 …, 40 are written on a blackboard. The following operation is then repeated 39 times : In each repetition, any two numbers, say a and b, currently on the blackboard are erased and a new number a + b – 1 is written. What will be the number left on the board at the end ?
(A) 820

(B) 821
(C) 781

(D) 819
(E) 780

2. What are the last two digits of 72008 ?
(A) 21

(B) 61
(C) 01

(D) 41
(E) 81

Fully Solved Paper in PDF File