Quantitative Aptitude - Arithmetic Ability Questions

Coefficient of x2in (x + 9)(6 - 4x)(4x - 7) is

Four pairs of words are given. Find the odd one out.

There are total 200 students in a school, of which 1/5th are boys. Find the number of girls in the school.

At what percentage above the cost price must an article be marked so as to gain 33% after allowing a customer a discount of 5%?

What is the angle between centripetal acceleration and tangential acceleration?

ΔABC is similar to ΔPQR. Length of AB is 36 cm and length of the corresponding side PQ is 16 cm. If area of ΔABC is 1296 sq cm, what is the area of ΔPQR?

In ΔDEF measure of angle E is 90°. If cosD = 8/17, and DE = 16cm, then what is the length (in cm) of side DF?

What is the fourth proportional to 6, 24 and 83?