Free notebooks were distributed equally among children of a class. The number of notebooks each child got was one-eighth of the number of children. Had the number of children been half, each child would have got 16 notebooks. Total how many notebooks were distributed ?
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1
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If (a+b+2c+3d)(a-b-2c+3d)=(a-b+2c-3d)(a+b-2c-3d), then 2bcis equal to?
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10
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20+8×0.520−? = 12 Find the value in place of (?)
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2
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(36.14)^2 – (21.28)^2 =?
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3
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24.962 ÷ (34.11 ÷ 20.05) + 67.96 - 89.11 = ?
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4
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David gets on the elevator at the 11th floor of a building and rides up at the rate of 57 floors per minute. At the same time, Albert gets on an elevator at the 51st floor of the same building and rides down at the rate of 63 floors per minute. If they continue travelling at these rates, then at which floor will their paths cross ?
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5
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If the sum of two numbers is 22 and the sum of their squares is 404, then the product of two numbers is = ?
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6
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In a regular week, there are 5 working days and for each day, the working hours are 8. A man gets Rs. 2.40 per hour for regular work and Rs. 3.20 per hours for overtime. If he earns Rs. 432 in 4 weeks, then how many hours does he work for ?
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7
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1888÷32÷8=?
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8
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If (x+1x) = √13, then the value of (x3−1x3) is = ?
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9
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The value of 25−5[2+3{2−2(5−3)+5}−10]4=?
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