Aptitude - Numbers - Discussion

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"The secret to creativity is knowing how to hide your sources."

- Albert Einstein

50.

What least number must be subtracted from 13601, so that the remainder is divisible by 87 ?

[A].	23	[B].	31
[C].	29	[D].	37
[E].	49

Answer: Option E

Explanation:

 87) 13601 (156
     87
     ----
      490
      435
      ----
       551
       522
       ---
        29
       ---
       
 Therefore, the required number = 29.

Lakshmi said: (Wed, Nov 23, 2011 12:25:11 PM)

In the previous example we subtract the remainder from divisor and the result is taken as the required number. But in this example we take the remainder as a required number. Why?.. Why this difference?..

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Aptitude - Numbers - Discussion

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