If the population of a town increases by 25% in the first year and increases by 36% in the second year, then what is the average rate (in percentage)of increase in the population?

In a mixture of 45 litres, the ratio of liquid A and liquid B is 7 : 2. If 11 litres of liquid B is added to the mixture, then what will be the ratio of liquid A and liquid B in the new mixture?

The ratio of two numbers is 5 : 9 and their difference is 44. What will be the smaller number among both the numbers?

If A is 40% less than B, then B is how much percentage more than A?

If in-radius of an equilateral triangle is 3 cm. Calculate the perimeter (in m) of the equilateral triangle.

In a triangle, one of the angles is three times the smallest and another is two times the smallest angle. Calculate the smallest angle.

What is the simplified form of 64288 ?

What is the value of 'x' in 23x - 527x + 108x = -21 ?