Quantitative Aptitude - Arithmetic Ability Questions

Each exterior angle of a regular polygon measures 9 deg. How many sides does the polygon have?

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

Calculate the difference between the square of the largest and smallest two-digit prime numbers.

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

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

The 4th and 7th term of an arithmetic progression are 11 and -4 respectively. What is the 15th term?

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

ΔABC is isosceles having AB = AC and ∠A = 40°. Bisectors PO and OQ of the exterior angles ∠ABD and ∠ACE formed by producing BC on both sides, meet at O. Then the value of ∠BOC is