1616: When ten persons shake hands with one another, in how many ways is it possible ?
(A) 45
(B) 20
(C) 25
(D) 40
1617: Who among the following was a proponent of Fabianism as a movement?
(a) Annie Besant
(b) A. O. Hume
(c) R. Palme Dutt
(d) Michael Madhusudan Dutt
1618: Distribution of electric power from one place to another is done at high A.C. voltage because:
(a) Wastage of electricity is minimised
(b) Stealing of electric wires is prevented
(c) Electricity spreads in very short time
(d) It adds brightness
1619: If safe storage is to be ensured, the moisture content of food grains at the time of harvesting should not be higher than
(a) 14%
(b) 16%
(c) 18%
(d) 20%
1620: A clock gains 5 minutes in one hour. Therefore, the angle traversed by the minute hand in one minute is:
(a) 360°
(b) 390°
(c) 390.5°
(d) None of these