Quantitative Aptitude - Arithmetic Ability Questions

If the circum radius of the equilateral triangle is 12 cm then what is the value of in radius (in cm) of the triangle?

Two circles with centres P and Q touch each other externally. A straight line drawn through the point of contact intersects the circle with centre P at A and the circle with centre Q at B. Then, which of the following is true?

The heights of a cone and a cylinder are equal. The radii of their bases are in the ratio 2:1. The ratio of their volumes is:

In the following question, four number pairs are given. The number on left side of (–) is related to the number of 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 alternatives

ΔDEF is right angled at E. If m∠F = 30 deg, then find the value of (sinD - 1/3).

The length of one side and the diagonal of a rectangle are 8 cm and 17 cm respectively. Find its area (in cm2).

If a - b = 5 and a2 + b2 = 97, ab = ?

A shop keeper earns a profit of 12% on selling a book at 10% discount on the printed price. The ratio of cost price to the printed price of the book is