Quantitative Aptitude - Arithmetic Ability Questions

If the volume of a cylinder is 385 cubic cm and height is 10 cm, find its radius?

If a + b = 17 and a - b = 9 then the value of (4a2 + 4b2) is,

What is the reflection of the point (3, 2) in the line y = -2?

A can do a work in 15 days and B in 20 days. If they work on it together for 6 days, then what fraction of work is left?

Select the odd word/letters/number/number pair from the given alternatives.

In a bag, the ratio of red balls to green balls is 4:9. If 7 more red balls are added to the bag, the ratio of red balls to green balls will become 5:6. How many green balls are there in the bag?

What least number must be added to 4131, so that the sum is completely divisible by 19?

If 2x- ­2(x ­- 2) < 5 ­- x > ­-2x + 2; then the value of x is