- A21
- B28
- C15
- D42
Step-by-Step Solution
14 = . A co-prime partner must share no factor 2 or 7. shares none, so HCF(14,15) = 1. The others all share 2 or 7 with 14.
Answer: C) 15
The HCF of two numbers is 1 (they are co-prime) and one of them is 14.
Which of the following could be the other number?
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