how long will a man take to bycyle round a square fields of side 1500. if his speed 8km/h
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Step-by-step explanation:
110Q:
How long will a boy take to run round a square field of side 35 meters, If he runs at the rate of 9 km/hr?
A) 50 sec
B) 52 sec
C) 54 sec
D) 56 sec
Answer: D) 56 sec
Explanation:
Speed = 9 km/hr = 9 x (5/18) m/sec = 5/2 m/sec
Distance = (35 x 4) m = 140 m.
Time taken = 140 x (2/5) sec= 56 sec
Answered by
0
Answer:
Perimiter of square=1.5×4=6 now time taken by bicycle is 6/8=3/4hr
Step-by-step explanation:
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