An angle is 30 deg more than one half of its complement. Find difference between the greater and the smaller angles.

What of the given below devices converts chemical energy to electrical energy?

Which wood is used to make a cricket bat?

If the angles of a triangle are in the ratio of 2 : 3 : 7, then find the ratio of the greatest angle to the smallest angle.

If Sumita earns 75/4% more than her boyfriend, find the approximate % her boyfriend earns less than Sunita.

Who is known as the Father of video games?

How many litres of blood does an adult body have?

The energy which we get from food is measured in