railway DFCCIL Junior Executive 2023 (CBT 1 & CBT 2) Mock Test Quantitative Aptitude Number System LCM and HCF
A bell rings 2 times in 3 seconds and a second bell rings 5 times in 7 seconds. Then how many times they ring together in one minute. Here both the bells ring in a periodic manner.
1
1 times
2
2 times
3
5 times
4
3 times