Quantitative Aptitude - Arithmetic Ability Questions

A trader had 22 quintals of wheat. He sold a part of it at 23% profit and the rest at 33% profit, so that he made a total profit of 27%. How much wheat did he sell at 33% profit?

The mean height of 25 boys in a class is 150 cm, and the mean height of 35 girls in the same class is 145 cm. The combined mean height of 60 students in the class is ___ (app)

Travelling at 4/5th of his usual speed, a man is 15 minutes late. What is his usual time to cover the same distance?

If pq(p+q) = 1, then the value of 1p3q3-p3-q3 is equal to

M is thrice as good as workman as N and together they finish a piece of work in 30 days. In how many days will M alone finish the work?

If a merchant offers a discount of 10% on the list price, then she makes a loss of 25%. What % profit or % loss will she make if she sells at a discount of 20% of the list price?

Two cars travel from city A to city B at a speed of 24 and 32 km/hr respectively. If one car takes 2.5 hours lesser time than the other car for the journey, then the distance between City A and City B is

If price of oranges is increased by 30%, then a person can buy 12 oranges less for Rs 208. What is the original price (in Rs) of an orange?