Question

18. Find the digits among 2, 3, 5 and 9 divides 12345 exactly.​

Answer 1

Step-by-step explanation:

divisibility rule of 2

the unit place must consists an even number

so 12345 is not divisible by 2

divisibility rule of 3

1+2+3+4+5=15 which is a multiple of 3

hence 12345 is divisible by 3

as unit place has 5 12345 is divisible by 5

and 12345 is not divisible by 9

result

12345 is divisible by 3 and 5 only