In a row pattern, red lights flash every 6th step and blue stars appear every 4th step. At which step after 0 will a red...
Type: MCQ • Marks: 1
In a row pattern, red lights flash every 6th step and blue stars appear every 4th step. At which step after 0 will a red light and a blue star occur together for the first time?
Options
A. 8th step
B. 16th step
C. 24th step
D. 12th step
Explanation
The first common occurrence after 0 is at LCM(6, 4) = 12.
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Class 7thGanita Prakash 2
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