Question

which of the following number is divisible by both 3 and 9? a-235674 b-78015. Give answer in complete form. ​

Answer 1

Answer:

option a) 235674

Step-by-step explanation:

for a no. to be divisible by 3, all digits should sum up to a multiple of 3 and same for 9. so option a satisfies the condition and hence is the correct answer.

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Answer 2

Answer:

a)235674 is divisible by both 3 and 9.

b)78015 is divisible by 3.

Step-by-step explanation:

For a number to be divisible by 3 the sum of its digits should be divisible by 3.

Also,for a number to be divisible by 9 the sum of its digits should be divisible by 9.

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