Quantitative Aptitude - Arithmetic Ability Questions

If one more cobbler is hired the output of a shoe making unit will increase from 50 pairs of shoes to 55 pairs per day, but then the shoe making unit will have to reduce the price of a pair of shoes from Rs 3200 to Rs 3000 per pair to sell the additional output, the marginal revenue product of the last cobbler is

The area of a square is 72.25 cm². Find its perimeter (in cm).

Mahmood can do a piece of work in 40 hours. If he is joined by Janaki who is 50% more efficient, in what time will they together finish the work?

Solve : 8,23,199.98 × 99.92 = ? × 80,000

A number is greater than five times its reciprocal by 19/2. Find the number.

The average height of 30 boys out of a class of 50 is 160 cm. If the average height of the remaining boys is 165 cm, the average height of the whole class (in cm) is:

Select the odd number from the given alternatives.

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