Amar, Akbar, Anthony start running to save their mother from Robert at the same time in same direction around a circular lake. Amar completes the whole round in 27 seconds, Akbar in 23 seconds and Anthony in 50 seconds, all starting at the same point. After what time will they meet again at starting point?

Options
- 8 hours 37 minutes 50 seconds
- 7 hours 37 minutes 50 seconds
- 9 hours 37 minutes 50 seconds
- 6 hours 37 minutes 50 seconds

CORRECT ANSWER : 8 hours 37 minutes 50 seconds

Discussion Board
Amar, Akbar, Anthony start running to save their mother from Robert at the same time in same direction around a circular lake. Amar completes the whole round in 27 seconds, Akbar in 23 seconds and Anthony in 50 seconds, all starting at the sa

EXPLANATION :
TAKE LCM OF 27,23,50
LCM = 31050
= 31050 sec
CONVERT sec to min
= 31050 ÷ 60
= 517 min 50 secs
CONVERT mins INTO hrs
517 ÷ 60
= 8 hrs 37 mina 50 sec

Sujith Vaishnav 06-11-2021 03:50 AM

explanation

Amar, Akbar, Anthony start running to save their mother from Robert at the same time in same direction around a circular lake. Amar completes the whole round in 27 seconds, Akbar in 23 seconds and Anthony in 50 seconds, all starting at the same point. After what time will they meet again at starting point?
I NEED EXPLANATION PLEASE ..

RAJESWAR 08-14-2014 12:58 PM

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