Two numbers are respectively 10% and 25% more than a third number. What percent is the first of the second number?

Population of a city is 7000. In next year the population is increased by 8%, then find the new population?

Two students appeared at an examination. One of them secured 9 marks more than the other and his marks were 56 % of the sum of their marks. The marks obtained by them are: 

A table is sold at a profit of 20%. If both the cost price and the selling price of the table are decreased by Rs. 100, then new profit percent becomes 25%.Find the original cost price of  table.

A person spends 40% of his monthly income. The monthly income of the person is increased by 15% and his expenditure is decreased by 22%. What is the approximate percentage increase in his savings?

If 40% of (A+B) = 60% of (A-B) then $${2A-3B}\over {A+B}$$ is

What percentage of 5.6 kg is 140 grams?

Tonu invested 10 % more than the investment of Monu and Sonu invested 10 % less than the investment of Monu. If the total investment of all the three persons is ₹ 60, 000, the investment of Monu is –