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 ?  Choose the correct choice from the following:  A) 6  B) 3  C) 2  D) 1  E) 8
Let n=4q+3.Then, 2n=8q+6=4(2q+1)+2.   Thus when 2n is divided by 4, the remainder is 2.   Answer is 2
<result>C</result>
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 ?