Question

please tell the answer of this question​

Answer 1

ANSWER--

a) 68709 by 9

divisibility of 9= if sum of all digits is divisible

by 9

so sum of all digits of 68709 is 30

it is not divisible by 9

b) 13416 by 4

divisibility rule of 4-- if last two digits are divisible by 4 then the number is also divisible by 4

last two digits of 13416 is 16 and 16 is divisible by 4. so the number is divisible by 4

c) 3979 by 3

divisibility rule of 3 is if sum of all digits of a number is divisible by 3 then the whole number is divisible by 3

Sum of all digits= 28

28 is divisible by 3 so the number is also divisible by 3

d) 45900 by 10

divisibility rule of 10 is if the last digit is 0 then the number is divisible by 10

so in this number last digit is 0 so the number is divisible by 10

4590× 10=45900

I hope it helps