defence exam CISF Head Constable Ministerial (HCM) & ASI Steno Mock Test Series Quantitative Aptitude Number System LCM and HCF
An electronic device beeps after 1 minute and another device beeps after 62 seconds. If both of them beeped together at 12 a.m., the time they will beep together next at the earliest is
1
1 : 01 a.m.
2
12 : 11 a.m.
3
12 : 31 a.m.
4
None of these