Question
25% of 60 × 15% of 120 = 30% of
(?) What will come in the place of question mark (?) in the given expression?Solution
25% of 60 × 15% of 120 = 30% of (?) => 15 × 18 = 30% of (?) => ? = (270 × 100)/30 => ? = 900
What is the SI unit for measuring speed?
The S.I. unit of the electric flux is
In gymnastics, which event is performed on a large floor mat?
‘Therm' is the unit of –
I threw a ball horizontally on the road and after covering certain distance, the ball stopped due to
One Astronomical Unit (AU) is the average distance between-
Heat stored in water vapour is –
 Photovoltaic cells are:Â
Quantum Theory was discovered by?
If input frequency of a full wave rectifier be n, then output frequency would be-