Quantitative Aptitude - Arithmetic Ability Questions

Two pipes A and B can fill an empty cistern in 18 and 27 hours, respectively. Pipe C can drain the entire cistern in 45 hours when no other pipe is in operation. Initially, when the cistern was empty Pipe A and Pipe C were turned on. After a few Pipe A was turned off and Pipe B was turned on instantly. In all, it took 55 hours to fill the cistern. For how many hours was Pipe B turned on?

The volume of a right circular cone, with a base radius the same as its altitude, and the volume of a hemisphere are equal. The ratio of the radii of the cone to the hemisphere is

Slope of the side DA of the rectangle ABCD is 1/3. What is the slope of the side AB?

Rearrange the jumbled up letters in their natural sequence and find the odd one out.

Δ DEF is right angled at E. If m∠F = 45°, then what is the value of 2 Sin F x Cot F?

What is the sum of the measures of all the interior angles of a regular polygon of 5 sides?

The line parallel to the BC of the triangle ABC divides the other two sides at the point D and E in such a way that AB=3AD. Calculate the ratio of DE and BC.

 Find the volume (in cm3) of a hemisphere of diameter 42 cm.