What is the difference (in ₹) between the simple interest and the compound interest on a sum of ₹8000 for $$32{2\over 5}$$ years at the rate of 10% p.a., when the interest is compounded yearly?

The value of (tan²A+ cot²A-2)- sec²A cosec² A is:

A salesman expects a gain of 13% on his cost price. If in a month his sale was ₹ 7,91,000, what was his profit ? 

Directions : The Bar Graph given here shows the population (in crores) of India in various census years. Observe the graph and answer the question based on it.

Peryear increase in population from the year 1931 to 1981 is

A shopkeeper purchases 20000 units of a product at ₹1 each, 15000 units at ₹1.15 each and 5000 units at ₹2 each. What is the weighted average price of one unit? Correct to two decimal places)

By what least number should 21600 be multiplied to make it a perfect square?

The length, the breadth, and the height of a cuboid are 40 cm, 20 cm and 10 cm. respectively. What is the volume of this cuboid?

Areas of two similar triangles are 36 cm² and 100 cm². If the length of a side of the larger triangle is 20 cm, then the length of the corresponding side of the similar triangle is: