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2. Check whether the given nur
are divisible by '7' or not? (a)
b).3514 (c). 861(d). 4676-21 anne
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Divisibility of 7 is remove the last digit,double it,subtract from the truncated original number and continue doing it until only 1 digit is left If it is 0 or 7 number is divisible by 7.
- 427 = 2(7) = 49, 49-42 = 7
Hence it is divisible
- 3514 = 2(4) = 16, 351-16 = 335
Hence it is divisible by 7
- 861 = 2(1) = 2, 86-2 = 84
Hence it is divisible by 7
- 4676 = 2(6) = 36, 467-36= 431
Hence it is divisible by 7
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