296: Which one of the following Articles of the Indian Constitution provides that "It shall be the duty of the Union to protect every State against external aggression and internal disturbance"?
(a) Article 215
(b) Article 275
(c) Article 325
(d) Article 355
297: Which one among the following is not a good source of nutritional calcium?
(a) Egg
(b) Skimmed milk
(c) Ragi
(d) Rice
298: Which of the following discoveries is/are associated with Einstein?
(i) Theory of relativity
(ii) Quantum theory
(iii) Radio activity
(iv) Rocket propulsion
(a) (i) & (ii)
(b) (i), (ii) & (iii)
(c) (i), (ii) & (iv)
(d) (i) only
299: A body partially floats in water when:
(a) The volume of the displaced liquid is equal to the volume of the body
(b) The volume of the displaced liquid is greater than the volume of the body
(c) The weight of the displaced water is equal to the weight of the body
(d) The weight of the displaced water is greater than the weight of the body
300: The average age of a cricket team reduces by 2 when two senior players aged 32 and 30 are replaced by 2 youngsters of equal age. What is the age of these new players?
(a) 20
(b) 22
(c) 24
(d) 26