Question

* Replace y by suitable digit , so that :
1. 343y4 is divisible by 9.
2. 65y33 is divisible by 3.
3. 629y is divisible by 9.
4. 1y4 is divisible by 3.

Answer 1

Answer:

1. y=4

2.y=1

3.y=1

4.y=1