If 5 divided the integer n, the remainder is 2. What will be the remainder if 7n is divided by 5?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e 4
5 divided the integer n, the remainder is 2 then the number would be a form of 5k + 2.
⇒ n = 5k + 2
⇒ 7n = 35k + 14
When 7n is divided by 5
⇒ 14 / 5 ⇔ 4