4216: Assertion (A):
The amount of moisture in the atmosphere is related to latitude.
Reason (R):
The capacity to hold moisture in the form of water vapour is related to temperature.
(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
4217: Who among the following anticipated Newton by declaring that all things gravitate to the earth ?
(a) Aryabhata
(b) Varahamihira
(c) Buddhagupta
(d) Brahmagupta
4218: Which one of the following countries is land locked?
(a) Bolivia
(b) Peru
(c) Suriname
(d) Uruguay
4219: Which one of the following is associated with the issue of control and phasing out of the use of ozone-depleting substances?
(a) Bretton Woods Conference
(b) Montreal Protocol
(c) Kyoto Protocol
(d) Nagoya Protocol
4220: A man purchases two clocks A and B at a total cost of Rs. 650. He sells A with 20% profit and B at a loss of 25% and gets the same selling price for both the clocks. What are the purchasing prices of A and B respectively ?
(a) Rs. 225; Rs. 425
(b) Rs. 250; Rs. 400
(c) Rs. 275; Rs. 375
(d) Rs. 300; Rs. 350