Question

4. If 243243x is divisible by both 5 and 10,
what is the digit at x?​

Answer 1

Hello,

Step-by-step explanation:

For the no to be divided by both 5 & 10 it is must that it should end with o.

Reason :-

for 5 :-

in table of 5 end digit are either 5 or 0

for 10

in table of 10 end digit is only 0

common in both is 0 . therefore ,

it must end with 0 to divide itself by both 5 & 10.

I hope u understood it..

Have a nice day..