Mean of 25 observations was found to he 78.4. But later it was found that 96 was mis-read as 69. Then the corrected mean is
Find the next alphabet in the sequence B, E, I, N, ? |
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If $\sqrt{784}$ + x = 78% of 500, then the valuc of x is |
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Find the greatest number that will divide 43, 91 and 183 so as to leave the same remainder in cach case : |
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Find the missing letters in the series AZ, GT, MN, ??, YB |
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Muralis present age is half of his fathers age. Before 10 years, his fathers age was thrice his age. Find the presentage of Mural and his father. |
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Find the length of the altitude of an equilateral triangle of side 3$\sqrt{3}$cm |
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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? |
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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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