Quantitative Aptitude - Arithmetic Ability Questions

PQR is an equilateral triangle. MN is drawn parallel to QR such that M is on PQ and N is on PR. If PN = 6 cm, then the length of MN is

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

Coefficient of x in (x + 11)(3 -­ 5x) is _____.

What is the value of 26 + 152?

What is the least number that can be multiplied to 69120 to make it a perfect cube?

A circle has points P, Q, R on a circle in such a way that angle PQR is 60 deg and angle QRP is 80 deg. Calculate the angle subtended by an arc QR at the centre.

In the following question, select the odd word pair from the given alternatives.