A locomotive engine, without any wagons
attached to it, can go at a speed of 40 km/hr. Its speed is diminished by a quantity that varies proportionally as the square root of the number of wagons attached. With 16 wagons, its speed is 28 km/hr. The
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If 33 untrained labourers can do a work in 15 days of 12 hr. each, how many trained labourers can do 50% more work in 11 days of 9 hr each ? (It may be assumed that it takes 2 trained labourers to do the work of 5 untrained labourers) |
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Which of the following fractions is less than 7/8 and greater than 1/3 ? |
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892.7 - 573.07 - 95.007 = ? |
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Which is the closest approximation to the product 0.3333 x 0.25 x 0.499 x 0.125 x 24 ? |
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Find the value of X : |
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The least among the following is: |
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In the following expression, there are two missing digits: * and #. Find the value of *. |
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What is the value of (-5)(4)(2)(-1/2)(3/4) ? |
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If x * y = x2 + y2 - xy, then the value of 9 * 11 is: |
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If a = 0.1039, then the value of (4a2 - 4a + 1)1/2 + 3a is: |
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