Mathematical Ab...

To dispose of the old stocks, a person sold a tea-set for Rs 3,540, which was 41% below the cost price. To make a profit of 11%, the seller should have sold the set for ____ more.

In the given figure ∠QPR = 60°. If OQ and OR are the angle bisectors of ∠Q and ∠R, then find the value of ∠QOR.

The polar coordinates of the vertices of a triangle are  Then, the triangle is:

What is the value of tan 75° + cot 75°?

In formula Mean deviation = MD = (1/n) ∑|x − M| what does M indicates:

A man purchased an old typewriter at Rs 19200, and spent some amount on its repair. He sold it for Rs 24150, and earned a profit of 15%. Find the amount he spend on the repair of the old typewriter.

Find the equation of ellipse whose eccentricity is 1/2, length of latus rectum is 4 and the center is (0,0).

If the length of a certain rectangle is decreased by 4 cm and the width is increased by 3 cm, a square with the same area as the original rectangle would result. Find the perimeter of the original rectangle.

The HCF of two numbers a and b is c. What is the LCM of those two numbers?