Math, asked by ms5053998, 8 months ago

In an industrial area three factories give out sirens at an interval of 40 min, 1 hour and 1 and a half hour. respectively. Find the time between the two simultaneously sounds of three sirens

Answers

Answered by sripriya014
1

Answer:

20 min and 30 min respectively

Answered by rajatd10
0

Answer:

20 min to 1 hr

Step-by-step explanation:

Ans is correct

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