A) 10 : 16 : 54 am
B) 10 : 18 : 36 am
C) 10 : 17 : 02 am
D) 10 : 22 : 12 am
Correct Answer: B
Solution :
Again, change the colour = LCM of 24, 36 and 54 = 216 s = 3 min 36 s \[\therefore \] They all change the colour together = 10 : 15 : 00 + 0 : 3 : 36 = 10 : 18 : 36You need to login to perform this action.
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