Quantitative Aptitude - Arithmetic Ability Questions

If the diameter of a hemisphere is 21 cm, then what is the volume (in cub.cm) of hemisphere?

In ΔPQR, PS and PT are bisectors of ∠QPR and ∠QPS respectively. If ∠QPT = 30°, PT = 9 cm and TR = 15 cm, then what is the area (in cm2) of ΔPTR

If PQ and PR be the two tangents to a circle with centre O such that ∠QPR = 120° then ∠POQ is

What is the sum of the first 12 terms of an arithmetic progression if the first term is 3 and last term is 47?

What is the place value and face value of 9 in 68956 respectively?

The sum of 2xy(3x + 4y - 5z) and 5yz(2x - 3y) is

26% of a number is 65. What is the number?

If 2x - 5y = 5 and 2x - y = 9, then x - y is ______.