Question : If the sum of two quantities is equal to three times their difference, then the ratio of the two quantities is:

Option 1: 1 : 3

Option 2: 3 : 1

Option 3: 2 : 1

Option 4: 2 : 3

Question : What would you call the area under the curve of a velocity-time graph included between itself and two-time ordinates?

Option 1: Velocity

Option 2: Displacement

Option 3: Acceleration

Option 4: Speed

Question : What is the mass of one mole of a substance in grams is called?

Option 1: Nuclear mass

Option 2: Atomic mass

Option 3: Molar mass

Option 4: Molecular mass

Question : The measure of the force that can cause an object to rotate about an axis is called:

Option 1: moment of inertia

Option 2: power

Option 3: torque

Option 4: centripetal force

Question : The weight of a body at the centre of the earth is:

Option 1: Half the weight at the surface

Option 2: Zero

Option 3: Twice the weight at the surface

Option 4: Infinite