4496: In how many different ways can four books A, B, C and D be arranged one above another in a vertical order such that the books A and B are never in continuous position?
(a) 9
(b) 12
(c) 18
(d) 14
4497: Which of the following can be regarded as the chief contribution of Buddhism to India?
(a) Art and literature
(b) Architecture
(c) Ahimsa and self-purification
(d) Rituals
4498: Which of the following proposals were made by the Cripps Mission?
(i) Participation of Indian States in the Constitution-making body
(ii) Forming separate State for the Muslims
(iii) Election of the Constitution-making body by the members of the lower house of the Provincial Legislature
(a) (i) and (ii)
(b) (i) and (iii)
(c) (ii) and (iii)
(d) (i), (ii) and (iii)
4499: Which one of the following rivers originates at Amarkantak ?
(a) Mahanadi
(b) Narmada
(c) Tapti
(d) Damodar
4500: When the frequency distribution is normal
(a) median, mode and mean are all different from one another
(b) mean, mode and median are identical
(c) mean is greater than mode
(d) mean is greater than median