Quantitative Aptitude - Arithmetic Ability Questions

A man, rowing a boat, covers a distance of 16 km in two hours downstream. He covers half the distance in same amount of time when rowing upstream. Calculate the speed of the stream.

How many numbers less than 200 are multiples of both 5 and 6?

If 2(3x ­- 4) -­ 2 < 4x ­- 2 ≥ 2x -­ 4; then the value of x is

If Sinx = 4/5, then Secx/Sinx = ?

If the amount received at the end of 2nd and 3rd year at Compound Interest on a certain Principal is Rs 1,800, and Rs 1,926 respectively, what is the rate of interest?

One internal angle of a rhombus of side 12 cm is 120°. What is the length of its longer diagonal?

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

In the following question, select the odd letter/letters from the given alternatives.