Sum
Find which of the following numbers are divisible by 3:
(i) 261
(ii) 111
(iii) 6657
(iv) 2574
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Solution
A number is divisible by 3 if the sum of its digits is divisible by 3,
So, 261, 111 are divisible by 3.
Concept: Tests for Divisibility of Numbers - Divisibility by 3
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