new maths

1. If |x-3|=5 and |x+1|=3 then the value of x must lie on the following?

2. If p=20%of q and q is 50% of r then find value of p if p+q+r=48.

3. When a stone is thrown in water ripples are created the radius of the ripples increases x times per every sec after 10 sec the largest ripple has the area 400*pi then find the radius of the largest ripple formed?

4. 3 marriage couple sits in 6 seats, how many ways they can seat such that husband and wife sit together?

5. Column A Column B
square (sqrt (square x)) - square (sqrt (square y)) (x-y) (x+y)

6. A lift have maximum capacity of 20 bundles each have x weight or other wise 30 bundles each have y weight. If a person put 12 bundles of weight y than how many x weight bundles we can put?
1.4
2.8
3.10
4.12
5.18

7. Which of the following is sum of 5 consecutive integers no?
1.10
2.15
3.20
4.25
5.28