Appinventiv Interview Question: 12: one ring bells at 20 sec,... |

Interview Question

PHP Developer Interview Noida

12: one ring bells at 20 sec, second will 40 sec and third

  will what time these three will ring together?

Interview Answer

4 Answers


USE LCM of these 20,40,60.

Interview Candidate on 30-Jan-2018

In 2nd minute

Anonymous on 26-Oct-2018

60 mins

Amit Shukla on 07-Dec-2018

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