Gradutate Record Exam

1. Given three coordinates (0, 0), (2, 4) and (4, 2) and asked to find the area?

2. Given numbers from 1 to 10. Two numbers are selected from these 10 numbers and they can be same also. What is the probability that at least one of them is even?
A. 1/2
B. 3/4
C. 1/4
& so on....

3. If the numbers 1, 5, 6, 8 & 9 are used once and are used to form a three digit number 't' and a two digit number 'r', then what is the minimum value of t - r?
A. 56
B. 58
C. 70
D. 73
& so on...

4. If 'k' is an integer, then
Col A: The remainder when k^2-k is divided by 2
Col B: 0

5. Given a series 1, -1, 2, -2.........
Col A: The sum of the first 67 terms
Col B: 34