Question : At a certain speed a car covers a distance of 8 km in 2 hours. How much distance will it cover in 3 hour?
Correct Answer 12 km
Solution & Explanation
Solution
Given,
Distance = 8 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
= 8/2 = 4 km/h
Thus, speed = 4 km/h
Calculation of the distance in the given time using formula
Formula to find the distance
Distance = Speed × Time
= 4 km/h × 3 hour = 12 km
Thus, the distance covered in the given time = 12 km Answer
Method (2) Using Unitary Method
Calculation of the Distance using formula
Given,
Distance = 8 km
Time = 2 hour
Thus, distance covers in 3 hour = ?
∵ In 2 hours the distance covered = 8 km
∴ In 1 hour the distance covered = 8/2 km
∴ In 3 hours the distance covered
= 8/2 × 3 km
= 8 × 3/2 km
= 24/2 = 12 km
Thus, the distance covered in the given time = 12 km Answer
Similar Questions
(1) Find the distance covered by a car in 20 hours if it covers a distance of 82 km in 10 hours.
(2) By running at a speed of 5 km/h how much distance a car will cover in 5 second?
(3) By running at a speed of 50 km/h how much distance a scooty will cover in 7 second?
(4) Find the distance covered by a bus in 24 hours if it covers a distance of 62 km in 14 hours.
(5) By running at a speed of 33 km/h how much distance a scooty will cover in 7 second?
(6) By running at a speed of 11 km/h how much distance a motor bike will cover in 8 second?
(7) By running at a speed of 35 km/h how much distance a scooty will cover in 7 second?
(8) By running at a speed of 18 km/h how much distance a car will cover in 5 second?
(10) By running at a speed of 10 km/h how much distance a motor bike will cover in 8 second?