121: Three bells toll at intervals of 9, 12 and 15 minutes respectively. All three begin to toll at 8 a.m. At what time will they first toll together again?
(a) 8.45 a.m.
(b) 10.30 a.m.
(c) 11.00 a.m.
(d) 1.30 p.m.
122: The working of the quartz crystal In the watch is based on the
(a) Photoelectric Effect
(b) Johnson Effect
(c) Piezo-electric Effect
(d) Edison Effect
123: The demand for the Tebhaga Peasant Movement in Bengal was for
(a) the reduction of the share of the landlords from one-half of the crop to one-third
(b) the grant of ownership of land to peasants as they were the actual cultivators of the land
(c) the uprooting of Zamindari system and the end of serfdom
(d) writing off all peasant debts
124: The offending substance in the liquor tragedies leading to blindness, etc. is
(a) ethyl alcohol
(b) amyl alcohol
(c) benzyl alcohol
(d) methyl alcohol
125: Rabindranath Tagore surrendered his title to the British because of:
(a) Civil Disobedience Movement
(b) Non-Cooperation Movement
(c) Jallianwalah Bagh massacre
(d) Partition of Bengal