Quantitative Aptitude - Arithmetic Ability Questions

What is the circumference (in cm) of a circle whose area is 616 sq cm?

What is the total surface area (in sq cm) of a hollow cylinder open at both ends, if its length is 22 cm, external radius is 7 cm and thickness is 1 cm? (Take π = 22/7)

An article was sold for Rs. 2100 at a profit of 25%. What is its cost price?

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.

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.

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

In ΔABC measure of angle B is 90 deg. If tanA = 15/8, and AB = 0.8 cm, then what is the length (in cm) of side AC?

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