If A earns $$ {33{1\over 3} \%}$$  more than B, how much percent does B earn less than A?

If A is equal to 20% of B and B is equal to 25% of C; then what percent of C is equal to A?

If 20% of (A + B) = 30% of (A − B), then what percentage of B is equal to A?

In a factory, the production of cycles rose to 48,400 from 40,000 in 2 years. The rate of growth per annum is?

A reduction of 20% in the price of sugar enables a housewife to purchase 6 kg. more for Rs. 240. What is the original price per kg. of sugar?

A student has to score 33% marks to pass. He gets 117 marks and fails by 81 marks. Find the student’s marks percentage?

If a number is increased by 30 % and after that it is decreased by 25 % and again it is increased by 25 % then find average change in percentage? (approx.) 

A shopkeeper bought 240 ton rice. He sold 4/5th is at 37.5% profit, then find at what percentage profit or loss he should sell remaining rice, so as to gain 25% on the whole transaction?