Exams

If the radius of a circle is increased by 16%, its area increases by

If √(1 + cot2A)/cotA = x, then the value of x is

Which state government has enacted a stringent law calledProtection of Internal Security Act to deal with thechallenges of terrorism, insurgency, communalism and casteviolence?

The circumferences of two circles are touching externally. The distance between their centres is 12 cm. The radius of one circle is 7 cm. Find the diameter(in cm) of the other circle.

Radish is a

An isosceles triangle ABC has sides AB = AC. If side BA is produced to D in such a manner that AC=AD. Then what will the measure of the angle BCD?

If X+Y=3,XY=2, find the value of X3-Y3

The radius of a sphere and hemisphere are same. The ratio of their total surface area is