Consider a boat which moves at the speed of 6 km/hr. If the water runs at the speed of about 4 km/hr, then the boat requires 3 hours to reach a certain place and return. Calculate the distance between that place & boat's initial position.?

2 km
3 km
4 km
5 km
6 km

LohaHridoy

6 views

2025-01-04 04:42

1 Answers

AhmedNazir

Option 4 : 5 km

When it is asked to find the distance between two points/places, we have

Distance between two places = ((x² – y²) × t)/2x

x = Speed of boat,

y = Speed of water,

t = Time taken

∴ Required distance = (6² - 4²) × 3/(2 × 6) = (36 - 16) × 3/12 = 60/12 = 5 km

6 views Answered 2022-09-04 04:29

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