Question

a whole number n which when divided by 4 gives 3 as remainder. what will be the remainder when 2n is divided by 4? a) 0 b) 1 c) 2 d) 4

Answer 1

reminder will  be 1

when we divide a number with 4, 3comes as reminder. Since 4 is also the mutiple of 2, when we do division with 2, there one 2 in the reminder 3. 3-2 =1)