Question
Which of the following numbers is divisible by
22?Solution
A number is divisible by 22 if it is divisible by both 2 and 11. Divisibility by 2: A number is divisible by 2 if its last digit is even. Divisibility by 11: A number is divisible by 11 if the alternating sum and difference of its digits is divisible by 11. According to the option-1 714538: Divisible by 2 (last digit 8 is even). Divisible by 11 (alternating sum: 0). Divisible by 22.
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