state gov OSSSC RI, ARI, AMIN, SFS, ICDS Supervisor Combined Mock Test 2023-25 Quantitative Aptitude Number System LCM and HCF
Four birds A, B, C, D fly along the circumference of a jungle. They complete one round in 27 minutes, 30 minutes, 45 minutes and 60 minutes, respectively. Since they start together, when will they meet again (in hours) at the starting position?
1
8
2
10
3
12
4
9