Aptitude Test Series

Q.  3 bells beep at an interval of 12, 20, and 35 minutes. If they beep together at 10 a.m., then they will again beep together at:

a. 12 p.m.
b. 1 p.m.
c. 4 p.m.
d. 5 p.m.


ANSWER: See Answer
 
No explanation is available for this question!
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