Which of the following number is divisible by 11
Asked by admin @ in Math viewed by 170 People
Which of the following numbers is divisible by 11?
Asked by admin @ in Math viewed by 170 People
Which of the following numbers is divisible by 11?
Answered by admin @
Step-by-step explanation:
If that is divisible by 11, so is the original number. So, for instance, 2728 has alternating sum of digits 2 – 7 + 2 – 8 = -11. Since -11 is divisible by 11, so is 2728. Similarly, for 31415, the alternating sum of digits is 3 – 1 + 4 – 1 + 5 = 10.
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