Problems on H.C.F and L.C.M - Quantitative Aptitude (MCQ) questions for Q. 28912

Q.  5 clocks ring automatically at intervals of 12 minutes, 8 minutes, 3 minutes, 4 minutes and 10 minutes, respectively. In 8 hours from the moment they start, how many times will they ring together?
- Published on 27 Mar 17

a. 12 times
b. 5 times
c. 3 times
d. 4 times

ANSWER: 4 times
 
hcf lcm

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