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Indices, SM-Bank 054

Using divisibility tests, find the smallest number greater than 1000 that is divisible by 6.   (2 marks)

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\(\text{A number is divisible by }6\ \text{if it is divisible by both }2\ \text{and }3.\)

\(\text{A number is divisible by }2\ \text{if the last digit is  }2 , 4 , 6 , 8 , 0.\)

\(\therefore\ \text{The first possible number is }1002\ \text{as it is divisible by }2\)

\(\text{A number is divisible by }3\ \text{if the sum of the digits is divisible by }3.\)

\(1+0+0+2=3\ \Rightarrow\ \text{divisible by 3}\ \checkmark\)

\(\therefore 1002\ \text{is the smallest number greater than }1000\ \text{that is divisible by }6.\)

Filed Under: Indices Tagged With: num-title-ct-core, smc-4214-25-Divisibility

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