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 to fill the tank if all the 3 pipes are opened simultaneously?
If x2 + 4y2 = 4xy , then x : y is |
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A sum of Rs. 1,550 was lent partly at 5% and partly at 8% per annum at simpleinterest. The total interest received after 3 years was Rs. 300. The ratio of the money lent at 5% to that lent at 8% is |
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A sum of Rs. 800 amounts to Rs. 920 in 3 years at a simpleinterest. If the interest rate is increased by 3%. What would Rs. 800 amount to? |
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Match List 1 with List 2 and answer through the codes given below :
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Identify the particle physicist through the clues given below |
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Find out the values of a, b, c and d in the following equation |
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Find the pH of a buffer solution containing 0.20 mole per litre sodium acetate and 0.15 mole per litre acetic acid given that dissociation constant of acetic acid is 1.8x10-5 |
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Find the incorrect statement(s) from the following |
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Turpentine is obtained from |
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In human, Prothrombin required for blood clotting is synthesized in the |
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