Question

madhuri took 2hr 40 minutes 30 seconds to solve the English question paper and 2hr 50 minutes 40 seconds to solve the maths question paper. how much time did she take to solve both the question paper.​

Answer 1

Answer:

3 hour 31 min and 10 sec

Step-by-step explanation:

Add both the time.

first add smallest same unit that is sec..

hr     min    sec

2     40      30  --- time to solve english paper

+2     50     40------ time to solve math paper.

___________________________

                  70

 60 sec = 1 min

70-60=10 so 70 sec = 1min and 10 sec

hr     min    sec

         1

2     40      30  --- time to solve english paper

+2     50     40------ time to solve math paper.

___________________________

          91        10

60 min = 1hour

91-60= 31 so 1 hour and 31 min

hr     min    sec

1     1

2     40      30  --- time to solve english paper

+2     50     40------ time to solve math paper.

___________________________

5         31        10

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