railway RRB Junior Hindi Translator 2025 Mock Test Series Quantitative Aptitude Number System LCM and HCF
Three bells ring at intervals of 40 sec, 60 sec and 120 sec. If they ring simultaneously at 9 :11 am at what time will the next ring together?
1
9 :13
2
9 : 20
3
10 : 00
4
9 : 25