Question:
Find the distance covered by a scooty in 22 hours if it covers a distance of 90 km in 12 hours.
Correct Answer
165 km
Solution And Explanation
Solution
Given,
Distance = 90 km
Time = 12 hour
Thus, distance covers in 22 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
= 90/12 = 7.5 km/h
Thus, speed = 7.5 km/h
Calculation of the distance in the given time using formula
Formula to find the distance
Distance = Speed × Time
= 7.5 km/h × 22 hour = 165 km
Thus, the distance covered in the given time = 165 km Answer
Method (2) Using Unitary Method
Calculation of the Distance using formula
Given,
Distance = 90 km
Time = 12 hour
Thus, distance covers in 22 hour = ?
∵ In 12 hours the distance covered = 90 km
∴ In 1 hour the distance covered = 90/12 km
∴ In 22 hours the distance covered
= 90/12 × 22 km
= 90 × 22/12 km
= 1980/12 = 165 km
Thus, the distance covered in the given time = 165 km Answer
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(2) By running at a speed of 22 km/h how much distance an athlete will cover in 10 second?
(3) By running at a speed of 23 km/h how much distance a motor bike will cover in 8 second?
(4) Find the distance covered by a cricket ball in 27 hours if it covers a distance of 72 km in 17 hours.
(5) By running at a speed of 46 km/h how much distance a car will cover in 5 second?
(6) By running at a speed of 10 km/h how much distance a motor bike will cover in 8 second?
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