Question (75/84)

Find the highest common factor (HCF) of 36 and 84 ?

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(A)  4

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(B)  6

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(C)  12

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(D)  18

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Question (76/84)

What is HCF of: (4 * 27 * 3125), (8 * 9 * 25 * 7) and (16 * 81 * 5 * 11 * 49) ?

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(A)  80

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(B)  180

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(C)  280

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(D)  380

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