Chapter 6 Number Play - Part 4

What is the test for divisibility by 11?

Type: MCQ • Marks: 1
What is the test for divisibility by 11?
Options
A. Last 2 digits are divisible by 11
B. Last digit is 1
C. Sum of all digits is 11
D. Difference between sum of odd-place digits and even-place digits is 0 or divisible by 11
Explanation
A number is divisible by 11 if the difference between the sum of digits in odd positions and even positions is 0 or a multiple of 11.
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Class 7th Ganita Prakash 1

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