Quantitative Aptitude - Arithmetic Ability Questions

The surface areas of three faces of a cuboid sharing a vertex are 20, 32 and 40 sq. mts. What is the volume of the cuboid in cub. m?

A map is drawn at a scale of 2 mm for 500 kms. Two places are marked at the distance of 3.6 mm; calculate the distance (in kms) between these two places?

The least number of square tiles of side 41 cms required to pave the ceiling of a room of size 15m 17cm long and 9m 2 cm broad is:

A batsman in his 12th innings makes a score of 120, and thereby increase his average by 5. The average score after 12th innings is

Find the circumference (in cm) of a circle of radius 10.5 cm

What is the simplified value of (cos4 A – sin4 A)?

If cot(A/2) = x, then x is equal to

∆DEF is right angled at E. If cosD = 5/13, then what is the value of tanF?