896: A father is now three times as old as his son. Five years back, he was four times as old as his son. The age of the son is
(a) 12 years
(b) 15 years
(c) 18 years
(d) 20 years
897: Consider the following statements :
At the present level of technology available in India, solar energy can be conveniently used to
I. supply hot water to residential buildings.
II. supply water for minor irrigation projects.
III. provide street lighting.
IV. electrify a cluster of villages and small towns.
Of these statements
(a) I, II, III and IV are correct.
(b) II and IV are correct
(c) I and III are correct
(d) I, II and III are correct
898: Consider the following statements about Jawaharlal Nehru :
I. He was the President of the Congress Party in 1947.
II. He presided over the Constituent Assembly.
III. He formed the first Congress Ministry in United Province before India's independence.
Of these statements
(a) I, II and III are correct
(b) I and III are correct
(c) I and II are correct
(d) None is correct
899: When iron rusts, the weight:
(a) Increases
(b) Decreases
(c) Remains the same
(d) First increases then decreases
900: Among the following who was the proponent of the "Bhakti Cult" from West Bengal?
(a) Chaitanya Prabhu
(b) Ramanujacharyulu
(c) Ramanand
(d) Kabir