30 april Gre Quants Question

1. If the sum of a list of 12 distinct positive even numbers is 156, then
Col A: Range of the twelve numbers
Col B: 20
Ans: A


2. Given a parabola y = x^2 - 3 which intersects y-axis at one point. If a point in xy-plane is P (2, k), then find the distance between the point P and the intersecting point on y-axis?
Ans: 2 sqrt(5)


3. Given a sum of Rs. 20,000, if two persons 'A' and 'B' lends amount for interest
Col A: The interest 'A' gets, if the rate of interest for first year is 4% and second year is 6%
Col B: The interest 'B' gets, if the rate of interest for first year is 6% and second year is 4%
Ans: C


4. If 63^n is divisible by 3^16 then
Col A: n
Col B: 7
Ans: A


5. A teacher teaches biology for a group of 53 students. She can divide them into two batches P and Q. If P has 7 batches of n students each and Q has x students of five batches; or six batches (with y students in 5 batches and (y+1) students in 6th batch), then
Col A: x
Col B: n
Ans: A


6. If f(n+3)=f(n) and
f(-1)=6
f(0)= 5
f(1) = 4, then what is the value of f( 8 )?
Ans: 6


7. Col A: 1.5 % 0.4 % 500
Col B: 15 % 4 % 5
Ans: C


8. A person (xxx) wrote a phone number on a note and that was later lost. When he try to recollect, he can remember that the number had 7 digits, the digit ‘1’ appeared in the last three places and digit ‘0’ did not appear at all. What is the probability that the phone number contains at least two prime digits?
(Some thing like this)


9. Given a series -9, 10,-11, 12,-13, 14, -15..............
Col A: The sum of the series till 100
Col B: 45
Ans: B