GRE quant database till oct 16th
1. If |2 - k| = |2 + k|, then
Col A: k
Col B: 0
2. In a distribution of 8500 parameters, if 26.7 is 56 percentile & 37.1 is 78 percentile, then what is the percentile of x (26.7 < =x < =37), that is closest in this range?
A. 1888
B. 4750
C. 6650
& so on....
3. If n < 0, then
Col A: Mean Deviation of 1, 2, 1
Col B: Mean Deviation of 1, 2, n.
4. If f(n, k) = n!/(k!*(n-k)!), then
Col A: f(16,3)
Col B: f(16,14)
5. How many even integers have squares between 37 and 227?
6. In a class, there are 90 students. Average score of the students who passed is 84, and average score of the students who failed is 60. If the total average score of the 90 students is 80, then find the number of students who passed?
A. 15
B. 24
C. 42
D. 76
& so on…
7.
Given a square with vertex ‘O’ and centre ‘C’, when rotated by 45degree with respect to vertex ‘O’ the centre is changed to ‘C1’.
Col A: Distance between centre’s ‘C’ & ‘C1’
Col B: {5*sqrt (2)}/2
8. Given, the length & breadth of a rectangle as ‘l’ and ‘b’, if the length of the rectangle is increased by 80% and breadth of the rectangle is increased by 20%, then
Col A: The percentage increase in area
Col B: 70%
9. If x and y are positive integers, then
Col A: (x^2 + y^2)/2
Col B: xy
10. Given two line equations, x-intercept of equation1 is given and y-intercept of equation2 is given and asked to find the distance between two lines?
11. If y = 2x + 4 & x^2 = 4, then
Col A: y
Col B: 6
12. Given A and B together can do a work in 8days, if ‘C’ can do a work in 12days then altogether A, B & C can do the same work in how many days?
13. Given following table
| Data | Percentile |
|---|---|
| 16.8 | 43th percentile |
| 17.1 | 49th percentile |
| 17.3 | 52th percentile |
| 17.8 | 55th percentile |
| 18.2 | 60th percentile |
Find the median of the above observation?
14. There were 37 employees in a company. If the month July has more number of birthdays than any other month then what is the number of birthdays in July?(provided every month should have at least 3 birthdays)
Col A: Number of birthdays in July
Col B:3
