Advertisements
Advertisements
प्रश्न
I travel a distance of 10 km and come back in `2 1/2` hours. What is my speed?
Advertisements
उत्तर
Total distance covered = 10 km + 10 km = 20 km
Time taken = `2 1/2=5/2` hours
Speed = `"Distance"/"Time"`
= `20/(5/2)`
= `(20xx2)/5` km/hr
= 8 km/hr
APPEARS IN
संबंधित प्रश्न
Shaheed can prepare one wooden chair in 3 days and Shaif can prepare the same chair in 4 days. If they work together, in how many days will they prepare:
(i) one chair?
(ii)14 chairs of the same kind?
A train covers 51 km in 3 hours. Calculate its speed. How far does the train go in 30 minutes?
A train travels 700 metres in 35 seconds. What is its speed in km/h?
A racing car covered 600 km in 3 hours 20 minutes. Find its speed in metre per second. How much distance will the car cover in 50 sec?
Rohit goes 350 km in 5 hours. Find:
(i) his speed
(ii) the distance covered by Rohit in 6.2 hours
(iii) the time taken by him to cover 210 km.
A boy drives his scooter with a uniform speed of 45 km/h. Find the time taken by him to cover 108 km.
These log boats do not go very far. If the wind is helpful, then travel about 4 km in one hour.
How long will they take to go a distance of 10 km?
What is the correct relationship between speed (S), distance (D), and time (T)?
A vehicle covers 240 km in 4 hours. What is its speed?
A runner covers 900 m in 3 min. Speed in m s⁻¹ is:
