मथस थिस month

1. If a + b = (a + b)^2 & a = 1, then
Col A: a
Col B: b

2. Which of the following cannot be the number of prime numbers between 'n' and 'n+6' inclusive, if n is a positive integer?
A. 0
B. 2
C. 3
& so on....

3.

Given a figure of 18 eighteen equilateral triangles as above with each side length of 1. What is the perimeter of the figure?

4. If x + y > 0 & y < 0
Col A: x
Col B: lyl

5. The greatest prime factor if k is a positive integer
Col A: 40k
Col B: 39k

6. If x < 0, then
Col A: lxl
Col B: -x

7. A 6 bicyclists has to be chosen from 4 adult and 4 children
Col A: How many 3 adult and 4 children teams can be formed
Col B: How many 2 adult and 2 children teams can be formed

8. Col A: 4th root of 121
Col B: 121

9. If x is a positive integer then
Col A: 110% of 90% of x
Col B: xx(some value)