Quantitative Aptitude - Arithmetic Ability Questions

Kiran swims in a 90 m long pool. He covers 360 m in two minutes by swimming from one end to the other and back 0 along the same straight path, twice. Find the average speed of Kiran.

In a Rhombus ABCD, measure of angle CAB is 35°, what is the measure of angle ABC?

A loan of Rs. 305 was taken at a certain rate per annum of compound interest, for 3 years. After 3 years the amount repaid was Rs. 670, calculate the rate of compound interest.

If A = 0.216 + 0.0080.36+0.04-0.12 & B = 0.729-0.0270.81+0.09+0.27, then what is the value of A2+B22 ?

Nine years later, age of B will be equal to the present age of A. Sum of A's age 3 years later and B's age 4 years ago is 76. If C is half of the present age of B, then what will be C's age (in years) after 10 years?

Average of two numbers is 8 and average of other three numbers is 3 ; the average of the five numbers is

A can do a work in 36 days and B in 12 days. If they work on it together for 3 days, then what fraction of work is left?

If a3 + b3 = 28 and a + b = 4, then what is the value of ab?