Quantitative Aptitude - Arithmetic Ability Questions

The surface area of a sphere is 2464 cm². Find its diameter (in cm).

A flask has two holes. The 1st hole alone makes the flask empty in 9 minutes and 2nd hole alone makes the flask empty in 16 minutes. If water leaks out at a constant rate, how long in minutes does it take if both the holes together empty the flask?

The successive discount of 15%, 20% and 25% on an article is equivalent to the single discount of

If tan (5x ­- 10°) = cot (5y + 20°), then the value of x + y is

Choose the correct option for the figure shown below.

Simple interest on a certain sum of money for 3 years at 8% per annum is half the compound interest on Rs 1200 for 2 years at 10% per annum. The sum placed on simple interest is

The sum of the present ages of a father and his son is 60 yrs. Six years ago, fathers age was five times the age of the son. After 6 yrs, son's age will be

ΔUVW is right angled at V. If secU = 5/3, then what is the value of tanW ?