Quantitative Aptitude - Arithmetic Ability Questions

If the equations 6x - 5y + 11 = 0 and 15x + ky - 9 = 0 have no solution, then the value of k is:

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

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.

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

One of four words is a class of which the other three belong. Identify the class.

In the following question, four number pairs are given. The number on left side of (–) is related to the number on the right side of (–) with some Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given options.

If the volume of a cylinder is 385 cubic cm and height is 10 cm, find its radius?

What is the measure of an interior angle of a regular dodecagon?