a teacher asked 3 pupils to choose any 2 digit number square it and then find the remainder after dividing the result by 7.Doris got 6.Maurice got 4.Horace got 3 two of the pupils must have made a mistake.why?

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18-01-2016
Mathematics

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a teacher asked 3 pupils to choose any 2 digit number square it and then find the remainder after dividing the result by 7.Doris got 6.Maurice got 4.Horace got 3 two of the pupils must have made a mistake.why?

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nrobe11513 nrobe11513 · Answer 1 · 2016-01-19T15:49:04+01:00

nrobe11513 nrobe11513

19-01-2016

The lowest 2 digit number you can square is 10. 10² = 100. 100 ÷ 7 = 14.3. So unless they used numbers such as 01 or 02, then they would all be wrong.

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