If integer n is divided by 5, the remainder is 2. What will be the remainder if 7n is divided by 5?
If integer n is divided by 5, the remainder is 2,
When integer is 7n then remainder also multiply by 7 so,
Remained = 2 $$\times$$ 7 = 14
Now,
14 is divided by 5 so,
Remainder = 4
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