A) 18 minutes
B) 12 minutes
C) 6 minutes
D) 24 minutes
Correct Answer: B
Solution :
Let us first find \[L.C.M.\] of \[36,\,\,40,\,\,48\]\[2\] | \[36,\,\,40,\,\,38\] |
\[2\] | \[18,\,\,20,\,24\] |
\[2\] | \[9,\,\,10,\,\,12\] |
\[3\] | \[9,\,\,5,\,\,6\] |
\[3,\,\,5,\,\,2\] |
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