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Q.

Find the LCM of the numbers 50 and 20.


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a

    100

b

    159

c

    65

d

    20 

answer is A.

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Detailed Solution

Given,
The numbers are 50 and 20.
The factorization of the numbers are,
50=2×5×5
20=2×2×5
So,
⇒LCM= 2 2 × 5 2 ⇒LCM=100  
Thus, the LCM is 100.
Therefore, option(1)     is the correct answer.
 
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