Quantitative Aptitude - Arithmetic Ability Questions

In the given fig, ST||RP, then what is the value of supplementary angle y (in deg)?

Find the volume (in cub.cm) of a hemisphere of diameter 21 cm.

What will be the average of all the prime numbers before 19?

What will be the value of a3+b3, if a2+b2=32 and a+b=8 ?

Find the odd word/letters/number from the given alternatives.

A box contain equal number of 1 rupee, 2 rupee and 5 rupee coins. If the total amount is Rs 184, then how many coins of each type are there?

If x - √x = 20; Find the value of √x.

What are the co­ordinates of the mid point of the segment joining points C(5,­-2) and D(­-1,8).