Go To Your Study Dashboard

Get Answers to all your Questions

header-bg

On Ashok Marg three consecutive traffic lights change after 36, 42 and 72 seconds respectively. If the lights are first switched on at 9:00 A.M. sharp, at what time will they change simultaneously?

Option 1)

$9 : 08 : 04$

Option 2)

$9 : 08 : 24$

Option 3)

$9 : 08 : 44$

Option 4)

$None\: of\: these$

Option 5)

-

Answers (1)

best_answer

LCM of 36, 42, 72 = 504 seconds or 8 min 24 seconds

Required Time = 9:00 + 8 min 24 seconds

= 9: 08: 24

Posted by

rishi.raj

View full answer

Similar Questions

Latest Question