Quantitative Aptitude - Arithmetic Ability Questions

In ΔPQR, ∠QPR = 45° and the bisectors of ∠PQR and ∠PRQ meets at O. What is the value (in degrees) of ∠QOR?

What is the value of Cot 60°- Cos 45°?

The height and the total surface area of a right circular cylinder are 4 cm and 8π sq.cm. respectively. The radius of the base of cylinder is

If the curved surface area of a right circular cone is 10010 sq cm and its radius is 35 cm, find its volume?

If in ΔABC, DE ||BC, AB = 7.5cm, BD = 6cm and DE = 2cm, then the length of BC in cm is

Jaikishen can do a piece of work in 15 hours. If he is joined by Jhanvi who is 50% more efficient, in what time will they together finish the work?

If (a+1a)2=3,then the value of a6-1a6 will be

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