plsee solve this question properly
que 3 of mathss
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In 180min 1st man can do the work
Hence in 1 min he can do =1/180
In 120 min 2nd can do the same work
Hence in 1min he can do =1/120
Work done by both in 1min=1/180+1/120
=1/72
Henc they will take 72min to complete the task
Or in 1.2hrs
Hence in 1 min he can do =1/180
In 120 min 2nd can do the same work
Hence in 1min he can do =1/120
Work done by both in 1min=1/180+1/120
=1/72
Henc they will take 72min to complete the task
Or in 1.2hrs
Answered by
0
5/6 is the answer of your question.
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