A smaller circle touches a bigger circle internally and also passes through the center 'O' of the bigger circle. If the area of the smaller circle is 192 $${cm^2}$$, the area of the bigger circle (in $${cm^2}$$) is:

What is the volume of a cylinder if the radius of the cylinder is 10 cm and height is 20 cm? (Take π = 3.14)

Study the graphs to answer these questions.
The pie chart shows the percentage of graduate employees in various department of M/S XYZ limited.
The employees in various departments of M/S. XYZ limited. Other than graduate employees are those employees who are either post graduate or undergraduates.

What is the approximate ratio of number of other than graduate employees in Finance to graduate employees in Administration department?

On increasing the radius of circle by 1 cm, its area is increased by 44 cm² .The original radius of the circle is -

The average score in Mathematics of 90 students of section A and B of class IX was 63. The number of students in A were 10 more than those in B. The average score of students in A was 30% more than that of students in B. The average score of students in B is:

If the loss is 20%, by what fraction should the selling price be multiplied to get the cost price?

Find the next term in the series.1329, 997, 725, 507, 337, ?

A cloth merchant on selling 33 metres of cloth obtain a profit equal to the selling price of 11 metre of cloth the profit is