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What should be subtracted from the sum of 8008, 8088 and 8808 to obtain 17863 ?

  • A.6121
  • B.6131
  • C.7041
  • D.7141

Answer: C

7041 should be subtracted.

First find the sum, then the difference from 17863:

\[ \begin{aligned} 8008 + 8088 + 8808 &= 24904 \\ 24904 - 17863 &= 7041 \end{aligned} \]

Check: 17863 + 7041 = 24904. The option 7141 is off by 100, a typical slip when borrowing in the hundreds column; 6121 and 6131 fail the same check.

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