Mathematics
A mixture contains alcohol and water in the ratio of 12:5. On adding 14 litres of water, the ratio becomes 4:3. The quantity of alcohol is:
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If x = yᵃ, y = zᵇ, z = xᶜ, then abc = ?
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In the series 2, 1, 1/2, 1/4, what comes next?
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An automobile financier claims to be lending money at simple interest, but he includes the interest every six months. If he is charging 10%, the effective rate becomes:
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The original price of a perfume is Rs.250. Discount is 25%. What is the sale price?
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Two vessels A and B contain spirit and water mixed in the ratio 5: 2 and 7: 6 respectively. Find the ratio in which these mixtures be mixed to obtain a new mixture in vessel C containing spirit and water in the ratio 8: 5?
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Simplify (2 + 3²) + (3 + 2³) = ?
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254 × ? × 8 = 95504?
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In order to write counting upto 100, how many times the key of the typewriter will have to be pressed?
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