railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) Quantitative Aptitude Number System LCM and HCF
Two bells chime together at 12 noon. Then one bell chimes every 48 seconds, while the other chimes every 84 seconds. When, among the given options, will both the bells chime together?
1
5 p.m.
2
4 p.m.
3
7 p.m.
4
6 p.m.