2741: Two trains leave New Delhi at the same time. One travels north at 60 kmph and the other travels south at 40 kmph. After how many hours will the trains be 150 km apart ?
(A) 4/3
(B) 3/2
(C) 3/4
(D) 15/2
2742: Anand must be a vegetarian because he is a Buddhist.
The argument assumes that
(a) most Buddhists are vegetarians
(b) all Buddhists are vegetarians
(c) only Buddhists are vegetarians
(d) most vegetarians are Buddhists
2743: If a gas is compressed to half of its original volume at 27°C, to what temperature should it be heated to make it occupy its original volume ?
(a) 327°C
(b) 600°C
(c) 54°C
(d) 300°C
2744: Standard of living of a nation can be judged by:
(a) Increase in GNP at factor cost
(b) Increase in GNP at cost including taxes and duties
(c) Increase in NNP at factor cost
(d) None of the above
2745: Antigen is a substance which
(a) destroys harmful bacteria
(b) is used to treat poisoning
(c) lowers body-temperature
(d) stimulates formation of antibody