Quantitative Aptitude - Arithmetic Ability Questions

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?

If cos(A-B) - cos(A+B) = x, then the value of x is

If tanα = 2 - 1, then the value of  tanα - cotα = ?

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

If the amount received at the end of 2nd and 3rd year at Compound Interest on a certain Principal is Rs 25088, and Rs 28098.56 respectively, what is the rate of interest?

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

If 5 -­ x > 1 + 3x and 5 + 5x ≥ 2 + 2x; then x can take which of the following values?

The successive discount of 15%, 20% and 25% on an article is equivalent to the single discount of