146: In an objective test there are 60 questions. Each question carries four alternative answers only one of which is correct. Suppose A and B are two candidates both of whom know correct answers to 30 questions. A answers only 30 questions while B answers all 60 questions choosing answers at random for those he does not know the answers of. If each question carries a mark of 1 and no negative marks are awarded, the marks obtained by B are expected to be larger than those obtained by A by
(a) 0
(b) 15
(c) 5
(d) 7.5
147: Which one of the following statements is correct with reference to our solar system ?
(a) The Earth is the densest of all the planets in our solar system
(b) The predominant element in the composition of Earth is silicon
(c) The Sun contains 75 per cent of the mass of the solar system
(d) The diameter of the Sun is 190 times that of the Earth
148: Ogaden region has been a source of conflict between which countries?
(a) Angola and Zambia
(b) Morocco and Algeri
(c) Ethiopia and Somalia
(d) Nigeria and Cameroon
149: Arrange the following in proper sequence
(i) Vinayapitaka
(ii) Gita Govinda
(iii) Raghuvansha
(iv) Atharvaveda
(a) (iii), (ii), (i), (iv)
(b) (iv), (iii), (ii), (i)
(c) (iv), (i), (iii), (ii)
(d) (ii), (iv), (iii), (i)
150: What is the new administrative capital proposed for Myanmar ?
(a) Pyinmana
(b) Myitkyina
(c) Mandalay
(d) Bassein