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Dividing either 61 or 96 by a certain largest number leaves remainder 5. Find that number.

A3
B14
C35
D7
Answer & Solution
Correct answer: D. 7
61 - 5 = 56 and 96 - 5 = 91 must both be divisible by the number, and their HCF is 7, which exceeds the remainder 5.
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