n is a whole number which when divided by 4 gives 3 as remainder. What will be the remainder when 2n is divided by 4?
Let n = 4q + 3
Then, 2n = 8q + 6 = 4(2q + l) + 2
Thus, when 2n is divided by 4, the remainder is 2.
Concept: Number System (Entrance Exam)
Is there an error in this question or solution?