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1. When a certain number is divided by 7 ,the remainder is 0. if the remainder is not 0 when the number is not 0 when the number is divided by 14 , then the remainder must be -
- A. 7
- B. 7
- C. 7
- D. 7
Answer: Option A
Explanation:
The number should be multiple of 7
Let, the number be 21
Now, (21/7) = 3, reminder 0
And (21/14) = 1, reminder 7.
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