2841: A man jumped at a speed of 5 metres per second from a stationary boat and the boat moved off with the speed of 0.5 metre per second. How many times is the mass of the boat greater than that of the man ?
(a) 5.5 times
(b) 4.5 times
(c) 2.5 times
(d) 10 times
2842: Jupiter completes one circuit of the Sun in
(a) 13 years
(b) 12 years
(c) 16 years
(d) 10 years
2843: The year of 'Great Divide', in Indian demography, is:
(a) 1905
(b) 1921
(c) 1947
(d) 1965
2844: Assertion (A):
Areas lying within five to eight degrees latitude on either side of the equator receive rainfall throughout the year.
Reason (R):
High temperatures and high humidity cause convectional rain to fall mostly in the afternoons near the equator.
(a) Both A and R are individually true and R is the correct explanation of A
(b) Both A and R are individually true but R is NOT the correct explanation of A
(c) A is true but R is false
(d) A is false but R is true
2845: Amnesty International is
(a) an agency of the United Nations to help refugees of civil wars
(b) a global Human Rights Movement
(c) a non-governmental organization to help people voluntary very poor people
(d) an inter-governmental agency to cater to medical emergencies in war-ravaged regions