Question:
Find the distance covered by a car in 20 hours if it covers a distance of 58 km in 10 hours.
Correct Answer
116 km
Solution And Explanation
Solution
Given,
Distance = 58 km
Time = 10 hour
Thus, distance covers in 20 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
= 58/10 = 5.8 km/h
Thus, speed = 5.8 km/h
Calculation of the distance in the given time using formula
Formula to find the distance
Distance = Speed × Time
= 5.8 km/h × 20 hour = 116 km
Thus, the distance covered in the given time = 116 km Answer
Method (2) Using Unitary Method
Calculation of the Distance using formula
Given,
Distance = 58 km
Time = 10 hour
Thus, distance covers in 20 hour = ?
∵ In 10 hours the distance covered = 58 km
∴ In 1 hour the distance covered = 58/10 km
∴ In 20 hours the distance covered
= 58/10 × 20 km
= 58 × 20/10 km
= 1160/10 = 116 km
Thus, the distance covered in the given time = 116 km Answer
Similar Questions
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(2) Find the distance covered by a moving object in 28 hours if it covers a distance of 84 km in 18 hours.
(3) At a certain speed a car covers a distance of 66 km in 2 hours. How much distance will it cover in 3 hour?
(4) At a certain speed a cyclist covers a distance of 82 km in 3 hours. How much distance will it cover in 4 hour?
(5) 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 43 km/h how much distance an athlete will cover in 10 second?
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