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

If the curved surface area of a cylinder is 126π cm² and its height is 14 cm, what is the volume of the cylinder?

$$ {109.07\sqrt{?}}-{61\over 21.02} ×?=47.96\sqrt{?}$$

The ratio of two numbers is 5 : 11. If both numbers are increased by 10, the ratio becomes 7 : 13. What is the sum of the two numbers?

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.

Which of the following statements is /are True?
I. $$ {33^3}>{3^{33}}$$
II. $$ {333}>{(3^{3})^{3}}$$

If x is the mean proportional between 20 and 5 and y is the third proportional to 16 and 64, then find the value of x/y. 

Mr. Sathya invested money in FD. How much will he get on maturity, if Rs. 14,500 is invested at 20 % per annum compound interest for 6 months, compounded quarterly