Question (19/84)

What will be the least number which when doubled will be exactly divisible by 12, 18, 21 and 30 ?

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(A)  196

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(B)  630

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(C)  1260

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(D)  2520

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Question (20/84)

Which of the following fraction is the largest ?

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(A)  7/8

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(B)  13/16

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(C)  31/40

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(D)  63/80

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