826: Which one of the following elements is essential for the construction of nuclear reactors ?
(a) Cobalt
(b) Nickel
(c) Zirconium
(d) Tungsten
827: At which Congress Session was the Working Committee authorized to launch a prgramme of Civil Disobedience?
(a) Bombay
(b) Lahore
(c) Lucknow
(d) Tripuri
828: Cloth is woven horizontally with 1 cm wide thickness of violet and white colour alternately and 1 cm wide thickness of grey and white colour alternately in the vertical direction. The resulting pattern will consist of:
(a) Squares with 3 different colours
(b) Squares with 4 different colours
(c) Stripes with 3 different colours
(d) Stripes with 4 different colours
829: In Sanskrit plays written during the Gupta Period women and sudras speak
(a) Sanskrit
(b) Prakrit
(c) Pali
(d) Sauraseni
830: Saka era was introduced by:
(a) Ashoka
(b) Kanishka
(c) Chandragupta Maurya
(d) Harsha Vardhana