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Any help greatly appreciated

Any help greatly appreciated-example-1

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1 vote

Answer:

Option C 1000

Explanation:

Given that Terry and Sandhya both found sum of four digit numbers. While Sandhya added correctly, Terry made a mistake by 1 in 1000's column.

If an error is made in 1000 column by 1, either 1 digit less was added or 1 digit more was added in 1000 column, the sum would have an error of +1000 or -1000

If she did mistake of +1 she would have got total more by 1000, or if she did a mistake of -1 total would be less by 1000

Hence answer is 1000

Option C

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