3631: In a remote Indian village with a scarcity of fuel, the people draw water from a well. They should be advised before drinking that water to:
(a) Boil it
(b) Use ion exchange resins
(c) Use solar stills for distilling
(d) Use potassium permanganate for purifying the water
3632: What is/are the consequence/consequences of a country becoming the member of the `Nuclear Suppliers Group'?
1. It will have access to the latest and most efficient nuclear technologies.
2. It automatically becomes a member of "The Treaty on the Non-Proliferation of Nuclear Weapons (NPT)".
Which of the statements given above is/are correct?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
3633: In the figure shown below, what is the maximum number of different ways in which 8 identical balls can be placed in the small triangles 1, 2, 3 and 4 such that each triangle contains at least one ball?
(a) 32
(b) 35
(c) 44
(d) 56
3634: A person stood alone in a desert on a dark night and wanted to reach his village which was situated 5 km east of the point where he was standing. He had no instruments to find the direction but he located the polestar. The most convenient way now to reach his village is to walk in the
(a) direction facing the polestar
(b) direction opposite to the polestar
(c) direction keeping the polestar to his left
(d) direction keeping the polestar to his right
3635: When water is heated from zero Degree Celsius to Ten Degree Celsius, its volume
(a) increases
(b) decreases
(c) does not change
(d) first decreases and then increases