21st April Gre Quants Question

Quant:

1. If the sum of a two digited number 'n' is n/4, then
Col A: n
Col B: 36
Ans: D


2. If A = {5, 12, 34, 35, 56, 34, 34, 48, 3} and
B = {3, 45, 3, 4, 53, 56, 93, 23, 45, 5}
Col A: The standard deviation of A
Col B: The standard deviation of B
Ans: B


3. Given that, if a number x leaves remainder 7 when divided by 11 and leaves remainder 1 when divided by 5, then
Col A: Least possible value of x
Col B: 40
Ans: A


4. If a line of slope -1/3 passes through the points (1, p) and (4, 5), then what is the value of p?
Ans: 6


5. If a1 = 2 and an+1 = (an - 1)2, then find the value of a17?
Ans: 2^256


6. Two cyclists are moving towards each other at 10 miles/hour. When they are 50 miles apart, a fly starts from one cyclist and move towards other, moving to and fro till the two cyclists meet each other. If the fly is moving at the rate of 15 miles/hour, then find the total distance covered by the fly?
Ans: 37.5