Quantitative Aptitude - Arithmetic Ability Questions

A, B and C can finish a job working alone in 12, 8 and 24 days respectively. In how many days they can finish the job if they worked together?

a% of b + b% of a = ______

The flight fare between two cities is increased in the ratio 9:11. What is the increase (in Rs) in the fare, if the original fare was Rs. 18,000?

If x+1x:x-1x=5:3 then the value of x is

The circumference of a circle is 88 cm, find its area?

Select the odd word from the given alternatives.

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

If xa+b+1=xa-b+a-ba+b, then x is equal to