Quantitative Aptitude - Arithmetic Ability Questions

A merchant marks the price of his articles 20% above the cost price. If he allows 20% discount, then what is the profit or loss percentage?

If A, B and C can do a job working alone in 12, 18 and 36 days respectively. They all work together for 2 day, then B quits. How many days will A and C take to finish rest of the job?

The population of a town is 200000. It increases annually at the rate of 10%. What will be the population after 2 years?

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

Mr. Ankit is on tour to Siachin and he has Rs. 360 for his expenditure. If he exceeds his tour by 4 days, he must trim down his daily expenditure by Rs.3. Forhow many days is Mr. Ankit is on tour?

6.651 -­ (148.6 ­- x ) -­ 57.22 = 6.098. Find x.

In a class test, a student scored 22 marks out of 25 marks. The students marks in % is :

25% discount is offered on an item. By applying a promo code a customer wins 10% cash back. What is the effective discount?