railway RRB Technician Grade 3 Mock Test 2024 Quantitative Aptitude Number System LCM and HCF

Water ejected through the nozzle of three musical fountains at the interval of 36 sec, 48 sec and 72 sec. They start together at a particular time. Find at what interval of time they will eject together.

1

120 sec

2

144 sec

3

180 sec

4

240 sec

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