Question : The term 'epicentre' is associated with-

Option 1: earthquake

Option 2: folding

Option 3: faulting

Option 4: earth's equator

Question : Why does a cannon recoil after firing?

Option 1: Conservation of energy

Option 2: Backward thrust of gases produced

Option 3: Newton's third law of motion

Option 4: Newton's first law of motion

Question : If 35% of A's income is equal to 25% of B's income, then the ratio of A's income to B's income is:

Option 1: 7 : 5

Option 2: 5 : 7

Option 3: 4 : 7

Option 4: 4 : 3

Question : It is difficult to fix a nail on a free-suspended wooden frame. Which law supports this statement?

Option 1: Law of inertia

Option 2: Newton's second law

Option 3: Newton's third law

Option 4: Pascal's law

Question : The ratio of Ram's age to Rahim's age is $10:11$. What is Rahim's age in percentage of Ram's age?

Option 1: $109\frac{1}{2}$%

Option 2: $110$%

Option 3: $111\frac{1}{9}$%

Option 4: $111$%