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Step-by-step explanation:
By adding the digits of all the nos.,we get,
5+4+6+2 = 15
3+1+0+5 = 9
2+2+4+5 = 13
1+1+0+7 = 9
Clearly, 3105 and 1107 are divisible by 9 as the sum of the dogits is divisible by 9.
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Answer:
2. 784, 888 because only even number are divisible by 2.
3. 3105, 1107 because sum of its digits is divisible by 9.
4. 98420 because unit digit is 0 and according to the divisibility rule, the number which has unit digit 0 or 5 is divisible by 5.
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