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The greatest number that will divide 527 and 632 leaving remainders 7 and 8, respectively, is:
Question

The greatest number that will divide 527 and 632 leaving remainders 7 and 8, respectively, is:

A.

104

B.

112

C.

98

D.

102

Correct option is A

Given:

Number divides 527 leaving remainder 7

Number divides 632 leaving remainder 8

Find the greatest such number.

Solution:

Subtract remainders

527 - 7 = 520

632 - 8 = 624

HCF using division:

624 = 520× 1 + 104

520 = 104 × 5 + 0

So,

HCF = 104

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