railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) Quantitative Aptitude Number System LCM and HCF
3 bells ring together at 7 AM. First bell rings after every 1 hour, second bell rings after every 2 hours and third bell rings after every 4 hours. At what time will they ring together?
1
8 AM
2
9 AM
3
6 PM
4
11 AM