Question : At a certain speed a scooty covers a distance of 100 km in 4 hours. How much distance will it cover in 5 hour?
Correct Answer 125 km
Solution & Explanation
Solution
Given,
Distance = 100 km
Time = 4 hour
Thus, distance covers in 5 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
= 100/4 = 25 km/h
Thus, speed = 25 km/h
Calculation of the distance in the given time using formula
Formula to find the distance
Distance = Speed × Time
= 25 km/h × 5 hour = 125 km
Thus, the distance covered in the given time = 125 km Answer
Method (2) Using Unitary Method
Calculation of the Distance using formula
Given,
Distance = 100 km
Time = 4 hour
Thus, distance covers in 5 hour = ?
∵ In 4 hours the distance covered = 100 km
∴ In 1 hour the distance covered = 100/4 km
∴ In 5 hours the distance covered
= 100/4 × 5 km
= 100 × 5/4 km
= 500/4 = 125 km
Thus, the distance covered in the given time = 125 km Answer
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(2) By running at a speed of 14 km/h how much distance a motor bike will cover in 8 second?
(3) Find the distance covered by a motor bike in 23 hours if it covers a distance of 52 km in 13 hours.
(4) By running at a speed of 27 km/h how much distance a scooty will cover in 7 second?
(5) By running at a speed of 26 km/h how much distance a car will cover in 5 second?
(6) By running at a speed of 49 km/h how much distance a bus will cover in 9 second?
(10) Find the distance covered by a cyclist in 21 hours if it covers a distance of 94 km in 11 hours.