What is the smallest digit represented by the blank in 6_4 to make it divisible by 6?
3
2
1
4
When is the number said to be divisible by 2, 5 and 10?
If the digit in the ones place is either 0 or 5.
If it is divisible by both 2 and 5.
If the digit in the ones place ends odd number.
If the digit in the ones place is even.
Which of the following is a common factor of 90 and 120?
40
50
60
30