ICSE Class 6 Answered
Respected Sir/Madam
I have one doubt in followinf question.
A rectangular field is 90 m by 70 m. A man walks round it at the rate of 4 km per hour. What time will he take in making 5 rounds ?
Asked by varaddeshmukh39.6spicertl | 25 Mar, 2021, 10:24: PM
Expert Answer
Perimeter of the rectangular field = 2(90+70)m = 320 m
Distance covered in 1 hour = 4 km = 4000 m
Distance covered in 5 rounds = 5 x 320 m = 1600 m
Time required to make 5 rounds = 1600/4000 = 0.4 hour = 24 minutes
Answered by Renu Varma | 26 Mar, 2021, 10:16: AM
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