state gov Bihar Vidhan Sabha Security Guard Mock Test 2024 Quantitative Aptitude Number System LCM and HCF
5 bells tolls at an interval of 2, 4, 6, 8 and 12 minutes respectively. If all 5 bells tolls together at 10 am, then how many times they will toll together from 10 am to 12 noon?
1
5
2
6
3
4
4
8