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Q.

Find the greatest six digit number that is exactly divisible by 18, 24 and 36.


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a

999936

b

999937

c

999938

d

999939 

answer is A.

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Detailed Solution

Concept- The answer to this problem can be found by taking the LCM of the three supplied numbers, dividing the largest 6-digit number by the result, and, if there is any left, subtracting the remainder from the largest 6-digit number.
Therefore, we must identify the largest six-digit integer that is precisely divisible by 18, 24, and 36.
Therefore, we shall use the 18, 24, and 36 LCM (Lowest Common Factor) .
seoLCM = Question ImageAs far as six-digit numbers go, the greatest one is 999999.
By multiplying 999999 by 72, we obtain:
seoThe quotient was 13888, and the remainder was 63.
the largest 6-digit number that can be divided by 18, 24, and 36 is
Question ImageHence, the correct answer is option 1.
  Question Image                                                                                                                    .
   
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