86: The surface of the water in a lake is frozen and its temperature is -15°C. The maximum possible temperature of the water inside the lake in contact with the ice layer will be:
(a) 0°C
(b) 4°C
(c) 15°C
(d) Insufficient data to predict
87: Examine the following statements :
I. All members of Mohan's family are honest.
II. Some members of Mohan's family are not employed.
III. Some employed persons are not honest.
IV. Some honest persons are not employed.
Which of the following inferences can be drawn from the above statements ?
(a) All members of Mohan's family are employed
(b) The employed members of Mohan's family are honest
(c) The honest members of Mohan's family are not employed
(d) The employed members of Mohan's family are not honest
88: The script of Indus Valley civilisation was:
(a) Persian
(b) Dravidian
(c) Sanskrit
(d) Undeciphered
89: Which among the following countries was the earliest to give women the right to vote?
(a) Iceland
(b) India
(c) New Zealand
(d) USA
90: In India, the use of carbofuran, methyl parathion, phorate and triazophos is viewed with apprehension. These chemicals are used as
(a) pesticides in agriculture
(b) preservatives in processed foods
(c) fruit-ripening agents
(d) moisturising agents in cosmetics