Which one of the following is an example for rate ?
20 kg : 50 kg
20 g : 50 kg
20 L : 50 km
20 L : 50 L
Rate is same as ratio.
The only difference is : different units
The ratio 20 L : 50 km has different units => L and km
So, the answer is : 20 L : 50 km
A wagon weighing 1000 kg is moving with a velocity 50 km/h on smooth horizontal rails. A mass of 250 kg is dropped into it. The velocity with which it moves now is
In a class, following were the marks obtained by 20 students in a maths test. 20, 40 ,50 ,20 , 60 , 50 ,100, 20, 50, 100, 40, 60, 100, 50, 20 ,60, 100 , 50, 40 , 20. Make a frequency distribution table. [2 MARKS]