Question : Which of the following is a perfect match ? 

Option 1: Coronary attack - vascular dilation

Option 2: Atherosclerosis - blockage of arteries

Option 3: Hypertension - low blood pressure

Option 4: Hypotension - heart attack

Question : Tachycardia is a condition characterized by

Option 1: heart-rate decreases from the normal

Option 2: heart-rate increases from the normal

Option 3: heart-beat stops

Option 4: heart fails to pump

Question : The spring balance works on the principle of _______.

Option 1: Boyle's Law

Option 2: Hooke's Law

Option 3: Bernoulli's principle

Option 4: Pascal's Law

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 : If A's wealth is $\frac{4}{9}$ times of B's and C's is $\frac{7}{6}$ times of B's. What is the ratio of C's wealth to A's?

Option 1: 8:21

Option 2: 21:8

Option 3: 27:14

Option 4: 14:27