Which of the following increased in the 1920's?
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Before Champaran Satyagraha, the farmers of Champaran used to follow the 'Panchkathiya' system, whereby five katthas of land in a bigha had to be planted with ___.
(−12)[11+7×(−3)]÷{}[413−(−3)×(−6)]=
At least one pair of opposite angles is congruent in a _____.
Which one of the following bio reserves of India is not included in the World Network of Biosphere Reserve?
Polio is a disease caused by which of the following?
A deep crack in a glacier is called
Which Railway station in Uttar Pradesh (UP) has been renamed as 'Maa Barahi Devi Dham'?