One metric tonne is equal to :

1. 10 quintal
2. 100 quintal
3. 1000 quintal
4. 25 quintal

One solar mass is equal to :

1. 3 x 10²⁰ kg
2. 2 x 10²⁷ kg
3. 2 x 10³⁰ kg
4. 3 x 10³⁰ kg

One shake is equal to:

1. 10^-9 s
2. 10^-8 s
3. 10^-10 s
4. 10⁸ s

Which of the following unit is equivalent to watt?

1. Volt x Ampere
2. Volt/Ampere
3. Ampere/Volt
4. Ohm