Question : A sudden decrease in the birth rate would cause _______.

Option 1: increase in per capita income

Option 2: increase in investment

Option 3: increase in savings

Option 4: increase in loan requests

Question : If the curved surface area of a cylinder is increased by 20% and height is decreased by 4%, then the net decrease or increase in the volume will be:

Option 1: 36% decrease

Option 2: 20% increase

Option 3: 50% increase

Option 4: 33% decrease

Question : On decreasing the price of a fan by 30%, its sales increase by 40%. What will be the percentage decrease in its revenue?

Option 1: 2% decrease

Option 2: 5% decrease

Option 3: 8% decrease

Option 4: 3% decrease

Question : Heart attack occurs due to

Option 1: bacterial attack on the heart

Option 2: stopping of heart beat

Option 3: lack of supply of blood to the heart itself

Option 4: impairment of heart's working due to unknown reasons

Question : When a bond is formed between two atoms, the energy of the system will

Option 1: increase

Option 2: decrease

Option 3: remains the same

Option 4: may increase or decrease