Quantitative Aptitude - Arithmetic Ability Questions

A girl walking at the speed of 2 km/hr covers a certain distance in 7 hours 30 minutes. If she covers the same distance by cycle in 5 hours, then what is the speed (in km/hr) of cycle?

A piece of work can be done by 16 men in 8 days working 12 hours a day. How many men are needed to complete another work, which is three times the first one, in 24 days working 8 hours a day?

In ΔPQR, L and M are two points on the sides PQ and PR respectively such that LM II QR. If PL=2cm; LQ=6cm and PM=1.5 cm, then MR in cm is

If the volume of a cylinder is 385 cubic cm and height is 10 cm, find its radius?

The curved surface area and the diameter of a right circular cylinder are 352 cm² and 14 cm respectively. Find its height (in cm).

The effective annual rate of interest corresponding to a nominal rate of 19% per annum payable half­yearly is:

Find the odd word/letters/number from the given alternatives.

What is the simplified value of (sec A + cos A)(sec A – cos A)?