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.
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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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