Question:
At a certain speed a cyclist covers a distance of 82 km in 3 hours. How much distance will it cover in 4 hour?
Correct Answer
109.32 km
Solution And Explanation
Solution
Given,
Distance = 82 km
Time = 3 hour
Thus, distance covers in 4 hour = ?
Here the speed and time are given. So, we need to find the speed to calculate the distance covers in the given time.
Method (1) Using Formula
Calculation of Speed using formula
Formula to find the speed
Speed = Distance/Time
= 82/3 = 27.33 km/h
Thus, speed = 27.33 km/h
Calculation of the distance in the given time using formula
Formula to find the distance
Distance = Speed × Time
= 27.33 km/h × 4 hour = 109.32 km
Thus, the distance covered in the given time = 109.32 km Answer
Method (2) Using Unitary Method
Calculation of the Distance using formula
Given,
Distance = 82 km
Time = 3 hour
Thus, distance covers in 4 hour = ?
∵ In 3 hours the distance covered = 82 km
∴ In 1 hour the distance covered = 82/3 km
∴ In 4 hours the distance covered
= 82/3 × 4 km
= 82 × 4/3 km
= 328/3 = 109.32 km
Thus, the distance covered in the given time = 109.32 km Answer
Similar Questions
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(2) At a certain speed a car covers a distance of 36 km in 2 hours. How much distance will it cover in 3 hour?
(3) By running at a speed of 22 km/h how much distance a bus will cover in 9 second?
(4) An athlete takes 1 minute 20 second to complete a race of 1000 meter. Find the speed of the athlete in kilometre per hour.
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(8) By running at a speed of 32 km/h how much distance a motor bike will cover in 8 second?
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