Time and Distance
Math MCQs

Question :    By running at a speed of 27 km/h how much distance a scooty will cover in 7 second?

Correct Answer  52.5 meter

Solution & Explanation

Solution

Given,

Speed = 27 km/h

Time = 7 second

Thus, distance = ?

Here the speed is given in the kilometer per hour while the time is in the second. So, for the ease of calculation, the speed should be converted into meter per second.

Conversion of the speed from kilometer per hour to meter per second

To convert kilometer per hour, the speed is multiplied by ⁵/₁₈

Therefore, 27 km/h = 27 × ⁵/₁₈ m/s

= ^{27 × 5}/₁₈ m/s

= ¹³⁵/₁₈ = 7.5 m/s

Thus, speed = 7.5 m/s

Calculation of distance using formula

Formula to calculate distance when speed and time are given

Distance = Speed × Time

⇒ Distance = 7.5 m/s × 7 s = 52.5 m

Thus, distance = 52.5 meter Answer

Calculation of distance using Unitary Method

∵ In 1 second the distance covered = 7.5 meter

∴ In 7 second, the distance covered = 7.5 m × 7 = meter

Thus, distance = 52.5 meter Answer

Similar Questions

(1) Find the distance covered by a cricket ball in 27 hours if it covers a distance of 56 km in 17 hours.

(2) If a car is running with a speed of 90 km/h, then how much distance will it cover in 1 hour 15 minute?

(3) At a certain speed a scooty covers a distance of 56 km in 4 hours. How much distance will it cover in 5 hour?

(4) At a certain speed a cyclist covers a distance of 94 km in 3 hours. How much distance will it cover in 4 hour?

(5) An athlete takes 15 hours to finish a race of 75 km. Calculate the speed of athlete in meter per second.

(6) By running at a speed of 6 km/h how much distance a cyclist will cover in 6 second?

(7) Find the distance covered by a ball in 26 hours if it covers a distance of 90 km in 16 hours.

(8) At a certain speed a car covers a distance of 30 km in 2 hours. How much distance will it cover in 3 hour?

(9) At a certain speed a cyclist covers a distance of 10 km in 3 hours. How much distance will it cover in 4 hour?

(10) By running at a speed of 22 km/h how much distance a bus will cover in 9 second?