What is the L.C.M of 12, 36, 6 and 9?

If the circumradius of an equilateral triangle be 10 cm, then the measure of its in-radius is

A started a business with a certain capital. After 3 months A left the business and B joins the business and remains in business. If the ratio of the profit at the end of the year is 5: 6 and the initial investment of A is Rs. 6000, then the investment of B is

Directions :- Refer the graph and answer the given questions.
 The following line graph shows the number of products sold by company A and B during six years.

Out of the total number of products sold by A and B together in 2011, only 20% are defected. What is the total number of defected products sold by A and B together in 2011?

Find the sum of 2x terms of the series ( 1² - 2² + 3² - 4² + ___ ) 

A sum of money becomes Rs 16000 in 6 years at the rate of 25% per annum simple interest. What is the total interest for 6 years?

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

The cost of school bags and shoes are in the ratio 7 : 5. The cost of a school bag is ₹ 200 more than that of a shoe. So what is the price of the shoes?