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TNPSC Group 2A 2015 Official Paper (Held On 24th Jan 2016)

Medium 300 Questions 180 min 450 marks

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180 min · 450 marks · Full test mode with leaderboard

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Question No: 51Difficulty: mediumMarks: 1.5mcq

First pipe can fill a tank in 12 hours. Second pipe can fill the same tank in 6 hours. Third pipe in 4 hours. How long will it take if all the 3 pipes are opened simultaneously?

Question No: 52Difficulty: mediumMarks: 1.5mcq

If x² + 4y² = 4xy, then x : y is

Question No: 53Difficulty: mediumMarks: 1.5mcq

A sum of Rs. 1,550 was lent partly at 5% and partly at 8% per annum at simple interest. The total interest received after 3 years was Rs. 300. The ratio of the money lent at 5% to that lent at 8% is

Question No: 54Difficulty: mediumMarks: 1.5mcq

A sum of Rs. 800 amounts to Rs. 920 in 3 years at a simple interest. If the interest rate is increased by 3%, what would Rs. 800 amount to?

Question No: 55Difficulty: mediumMarks: 1.5mcq

Match List 1 with List 2 and answer through the codes given : List 1 List 2 (a) Infrared spectrometer 1. Measures the purity of sugar (b) Polarimeter 2. Test aeroplane surface under stress (c) Barometer 3. Study of molecular structure (d) Strain gauge 4. measure atmospheric pressure

	List 1		List 2
(a)	Infrared spectrometer	1.	Measures the purity of sugar
(b)	Polarimeter	2.	Test aeroplane surface under stress
(c)	Barometer	3.	Study of molecular structure
(d)	Strain gauge	4.	measure atmospheric pressure

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