Question

which of the following numbers are divisible by 21 ?
1-21063
2-20163​

Answer 1

21063 divisided with 21 gives 1003.

So, option 1 is the correct answer.

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Answer 2

Answer:

1-21063

Explanation:

According to the divisibility rule of 11, we must subtract and then add the digits in an alternating pattern from left to right. If the answer is 0 or 11, then the result is divisible by 11.

hope it will be helpful. please mark it as brainlist answer.