Q20 of 41 Page 16

Check the divisibility of 23 by 2.

The one's digit is 3, so 23 is not divisible by 2.

More from this chapter

All 41 →
18 Check the divisibility of 19 by 10. 19 Check the divisibility of 25 by 5. 1

Find the values of the letters in each of the following and give reasons for the steps involved

 2

If 21y5 is a multiple of 9, where y is a digit, what is the value of y?