Question:
Find the distance covered by an athlete in 25 hours if it covers a distance of 84 km in 15 hours.
Correct Answer
140 km
Solution And Explanation
Solution
Given,
Distance = 84 km
Time = 15 hour
Thus, distance covers in 25 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
= 84/15 = 5.6 km/h
Thus, speed = 5.6 km/h
Calculation of the distance in the given time using formula
Formula to find the distance
Distance = Speed × Time
= 5.6 km/h × 25 hour = 140 km
Thus, the distance covered in the given time = 140 km Answer
Method (2) Using Unitary Method
Calculation of the Distance using formula
Given,
Distance = 84 km
Time = 15 hour
Thus, distance covers in 25 hour = ?
∵ In 15 hours the distance covered = 84 km
∴ In 1 hour the distance covered = 84/15 km
∴ In 25 hours the distance covered
= 84/15 × 25 km
= 84 × 25/15 km
= 2100/15 = 140 km
Thus, the distance covered in the given time = 140 km Answer
Similar Questions
(1) By running at a speed of 25 km/h how much distance a motor bike will cover in 8 second?
(2) At a certain speed a car covers a distance of 14 km in 2 hours. How much distance will it cover in 3 hour?
(3) Find the distance covered by a cyclist in 21 hours if it covers a distance of 84 km in 11 hours.
(4) At a certain speed a scooty covers a distance of 6 km in 4 hours. How much distance will it cover in 5 hour?
(5) If a cyclist covers a distance of 28 km in 7 hours, then how much distance will he cover in 5 hour? And what is his speed?
(6) By running at a speed of 13 km/h how much distance an athlete will cover in 10 second?
(7) By running at a speed of 11 km/h how much distance an athlete will cover in 10 second?
(8) At a certain speed a cyclist covers a distance of 16 km in 3 hours. How much distance will it cover in 4 hour?
(9) By running at a speed of 5 km/h how much distance an athlete will cover in 10 second?
(10) By running at a speed of 12 km/h how much distance a motor bike will cover in 8 second?