If 15% of 40 is 2 more than 25% of a number, then the number will be

Find the number of diagonals of a regular polygon, sum of whose interior angles is 2700⁰.

The base of a right pyramid is a square of side 10 cm. If its height is 10 cm, then the are (in cm²) of its lateral surface is:

if $${secA={5\over 4}}$$, then the value of $${{tanA}\over 1+tan^2A}-{sinA\over secA}$$ is

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?

A fan is listed at ₹ 150 and a discount of 20% is given. Then the selling price is

Out of an earning of Rs.720, Pankaj spends 65%. How much does he save?

If A's income is 3/5 times of B's income and C's income is 6/5 times of B's income then the ratio of C's income to A's income is -