Quantitative Aptitude - Arithmetic Ability Questions

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?

If 5 -­ x > 1 + 3x and 5 + 5x ≥ 2 + 2x; then x can take which of the following values?

Choose the one which is different or odd from the following options?

Four pairs of words are given below out of which three are alike in some manner and one is different. Which is different from the rest?

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

When n is divided by 4, the remainder is 3. The remainder when 2n is divided by 4 is:

Choose the correct option for the figure shown below.

10 people could complete a task in 8 days. After 4 days, 2 of the workers left. How many days from then did it take to complete the task?