Question:
At a certain speed a car covers a distance of 76 km in 2 hours. How much distance will it cover in 3 hour?
Correct Answer
114 km
Solution And Explanation
Solution
Given,
Distance = 76 km
Time = 2 hour
Thus, distance covers in 3 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
= 76/2 = 38 km/h
Thus, speed = 38 km/h
Calculation of the distance in the given time using formula
Formula to find the distance
Distance = Speed × Time
= 38 km/h × 3 hour = 114 km
Thus, the distance covered in the given time = 114 km Answer
Method (2) Using Unitary Method
Calculation of the Distance using formula
Given,
Distance = 76 km
Time = 2 hour
Thus, distance covers in 3 hour = ?
∵ In 2 hours the distance covered = 76 km
∴ In 1 hour the distance covered = 76/2 km
∴ In 3 hours the distance covered
= 76/2 × 3 km
= 76 × 3/2 km
= 228/2 = 114 km
Thus, the distance covered in the given time = 114 km Answer
Similar Questions
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(2) An athlete takes 30 second to complete a race of 450 meter. Find the speed of the athlete in kilometre per hour.
(3) By running at a speed of 40 km/h how much distance a cyclist will cover in 6 second?
(4) Find the distance covered by a ball in 26 hours if it covers a distance of 80 km in 16 hours.
(5) At a certain speed a scooty covers a distance of 30 km in 4 hours. How much distance will it cover in 5 hour?
(6) Find the distance covered by a motor bike in 23 hours if it covers a distance of 88 km in 13 hours.
(7) Find the distance covered by a bus in 24 hours if it covers a distance of 72 km in 14 hours.
(8) By running at a speed of 9 km/h how much distance a scooty will cover in 7 second?
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(10) Find the distance covered by a car in 20 hours if it covers a distance of 96 km in 10 hours.