state gov Maharashtra Talathi (तलाठी भरती) Mock Test 2023 Quantitative Aptitude Number System LCM and HCF
Six bells start ringing simultaneously and they ring at intervals of 4, 8, 10, 12, 18 and 20 seconds respectively. Once the ringing starts, how many times will the bells ring together in next 30 minutes?
1
4 times
2
3 times
3
6 times
4
5 times