What is the one’s digit of a number which is when divided by 5 given a remainder of 3?
3
3 or 8
8
If the division M ÷ 5, leaves a remainder of 1, what might be the one’s digits of N?
1 or 4
1 or 5
1 or 6
If the division M ÷ 2 leaves a remainder of 1, then what is one’s digits of N?
1 or 3
0 or 3
0 or 2
If N is a number such that N ÷ 5 gives a remainder of 1, then the one’s digits of N is
1
6
1 or 6
Is 10011 divisible by 3?
We have 10011
Sum of digits 10011
= 1 + 0 + 0 + 1 + 1
= 3
∵ 3 is divisible by 3
∴ 10011 is also divisible by 3