Question

Check if 3573 is divisible by 9.

Options

• Yes, because 3 + 5 + 7 + 3 = 18, which is divisible by 9

• No, because the last digit is 3

• Yes, because it contains the digit 9

• No, because the sum is 18, not 9

Answer 1

Yes, because 3 + 5 + 7 + 3 = 18, which is divisible by 9

Explanation: 

The sum of digits is 3 + 5 + 7 + 3 = 18, and since 18 is divisible by 9 (18 ÷ 9 = 2), the number 3573 is divisible by 9.