186: Acid rain is caused by the pollution of environment by
(a) carbon dioxide and nitrogen
(b) carbon monoxide and carbon dioxide
(c) ozone and carbon dioxide
(d) nitrous oxide and sulphur dioxide
187: Seven persons P, Q, R, S, T, U and V participate in and finish all the events of a series of swimming races. There are no ties at the finish of any of the events. V always finishes somewhere ahead of P. P always finishes somewhere ahead of Q. Either R finishes first and T finishes last or S finishes first and U or Q finishes last. If in a particular race V finished fifth, then which one of the following would be true ?
(a) S finishes first
(b) R finishes second
(c) T finishes third
(d) R finishes fourth
188: which of the following pairs in respect of correct Power generation in India is/are correctly matched ?
(Rounded Figure)
1. Installed electricity generation capacity : 100000 MW
2. Electricity generation : 660 billion kWh
Select the correct answer using the code given below :
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
189: The monthly income of Komal and Asha are in the ratio of 4 : 3. Their monthly expenses are in the ratio of 3 : 2. However, both save Rs. 600 per month. What is their total monthly income ?
(a) Rs. 8,400
(b) Rs. 5,600
(c) Rs. 4,200
(d) Rs. 2,800
190: The Modi script was employed in the documents of the
(a) Wodeyars
(b) Zamorins
(c) Hoysalas
(d) Marathas