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What is the greatest number that will divide 2930 and 3246 that will leave 7 as remainder in each case.
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- 79
- 89
- 69
- 97
Correct Option: A
Obviously, the greatest number will divide completely the numbers (2930 – 7) and (3246 – 7),
i.e., 2923 and 3239.
Hence, the greatest number will be the HCF of 2923 and 3239.
∴ HCF = 79
Hence, the required number = 79