What number should be added to each of 4, 16, 18 and 58 so that the resulting numbers will be in proportion in the given order?
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Select the odd word/letters/number/number pair from the given alternatives.
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If 4x2 - 12x + k is a perfect square, then the value of k is
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If x4+1x4=119, then the value of x-1x is