Quantitative Aptitude - Arithmetic Ability Questions

ΔPQR is right angled at Q. If cosP = 3/5, then what is the value of cosR ?

A wheel has diameter 84 cm. The number of complete revolution it will take to cover 792 m is

In the following question, four groups of three numbers are given. In each group the second and third number are related to the first number by a Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

Square root of 0.9 is equal to

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 alternatives.

In ΔDEF measure of angle E is 90 deg. If cotD = 8/15, and DE = 16cm, then what is the length (in cm) of side EF?

The upper part of a tree broke at a certain height makes an angle of 60 ° with the ground at a distance of 10 m. from its feet. The original height of the tree was

If Tan A = 15/8 and Tan B = 7/24, then Tan (A - B) = ?