RRB ALP 13th Aug 2018 Shift-1

Question 2

The LCM of 48 and 54 is:

Solution

48 = $$2\times 2\times 2\times 3\times 2$$

54 = $$2\times 3\times 3\times 3$$

so least common factor 

= $$2\times 3\times 8\times 9$$

$$6 \times 8 \times 9$$

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