Quantitative Aptitude - Arithmetic Ability Questions

The surface area (in sq.cm.) of a sphere with radius 1 cm is :(pi = 22/7)

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?

The length and breadth of a rectangle are 15 cm and 8 cm respectively. Find its area (in cm2)

What is the effective discount (in %) on two successive discounts of 20% and 10%?

What is the measure of an interior angle of a regular dodecagon?

A bank offers 10% compound interest per half year. A customer deposits Rs. 2000 each on 1st January and 1st July of a year. At the end of the year, the amount he would have gained by way of interest is

97 x 97 = ?

Select the odd word/letters/number/number pair from the given alternatives.