Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Number System LCM and HCF
Three bells ring every 12 minutes, 20 minutes and 36 minutes, respectively, If all of these bells ring together at 7 ∶ 15 am, then at what time will they all ring together again?
1
9∶45 am
2
10∶15 am
3
10∶30 am
4
More than one of the above
5
None of the above