661: If the product of two numbers is 320 and their ratio is 1 : 5, what is the difference between the squares of these two numbers ?
(a) 1024
(b) 1365
(c) 1536
(d) 1635
662: Which of the following are some important pollutants released by steel industry in India?
1. Oxides of sulphur
2. Oxides of nitrogen
3. Carbon monoxide
4. Carbon dioxide
Select the correct answer using the code given below.
(a) 1, 3 and 4 only
(b) 2 and 3 only
(c) 1 and 4 only
(d) 1, 2, 3 and 4
663: During a flight from Delhi to Tokyo the following are the landing airports :
I. Hong Kong
II. Hanoi
III. Taipei
IV Bangkok
The correct sequence of the landing at these airports during an onward journey is
(a) I, II, III, IV
(b) IV, II, I, III
(c) III, IV, I, II
(d) IV, I, II , III
664: Consider the following statements:
1. The minimum age prescribed for any person to be a member of Panchayat is 25 years.
2. A Panchayat reconstituted after premature dissolution continues only for the remainder period.
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
665: Which one of the following countries is land locked?
(a) Bolivia
(b) Peru
(c) Suriname
(d) Uruguay