Search questions

A car covers four successive 8 km distances at speeds of $12\mathrm{km}/\mathrm{hr},18$ km/hr, 24 km/hr and 36 km/hr, respectively. Its average speed (in $\mathrm{km}/\mathrm{hr}$ ) over this distance is:

Find the average speed of Sanjay, who covers the first 150 km in 4 hours and the next 250 km in another 4 hours.

A man goes to Jaipur from Surat at a speed of $3\mathrm{km}/\mathrm{hr}$ and returns to Surat at speed of 15 km/hr, through same route. What is his average speed (in km/hr) of the entire journey ?

A cyclist rides for 2 hours at 15 $\mathrm{km}/\mathrm{hr}$ and then for 3 hours at $20\mathrm{km}/\mathrm{hr}$. What is the average speed (in km/hr) of the cyclist for the entire trip ?

The time period of a simple pendulum is found to be 2.2 sec, 1.8 sec, 2 sec, 1.6 sec and 2.4 sec. What is the average time period (in sec)?

An aeroplane travels distances $1320\mathrm{km},1760\mathrm{km}$ and 2095 km at the rate of $528\mathrm{km}/h,352\mathrm{km}/h$ and 419 $\mathrm{km}/h$, respectively. Find the average speed (in km/h) of the aeroplane.

Ayush starts his journey from Chandigarh to Ludhiana with his car at a speed of $77\mathrm{km}/\mathrm{hr}$ and returns at a speed of $63\mathrm{km}/\mathrm{hr}$. If the distance between Chandigarh and Ludhiana is 97 km , then what is the average speed (in km/hr) of Ayush during his whole journey?

A man goes to Chennai from Hyderabad at a speed of $24\mathrm{km}/\mathrm{hr}$ and returns to Hyderabad at speed of $40\mathrm{km}/\mathrm{hr}$, through same route. What is his average speed (in km/hr) of the entire journey?

A car runs for one hour with a speed 60 km per hour, for 2 hours with a speed 70 km per hour and for 5 hours with a speed 50 km per hour. What is the average speed of the car in km per hour?

A car travels four consecutive distances of 2 km each at speeds of 10 km/hr, 20 km/hr, 30 km/hr, and 40 km/hr, respectively. What is the average speed of the car (in $\mathrm{km}/\mathrm{hr}$ ) over this total distance?

A refinery produces 3 grades of gasoline: Regular (85% octane), Mid-grade (90% octane), and Premium (95% octane). If 200 barrels of Regular, 100 barrels of Mid-grade, and 100 barrels of Premium are mixed, what is the average octane rating ?

A man goes to Jaipur from Surat at a speed of 20km/hr and returns to Surat at speed of $30\mathrm{km}/\mathrm{hr}$, through same route. What is his average speed (in km/hr) of the entire journey?

Suman covers a certain distance by car, driving at 22 km/hr, and he returns to the starting point, riding on a scooter at a speed of 17 km/hr. Find the average speed for the whole journey.

Find the average of 309, 125, 90, 45, 125 and 104.

A man goes to Mumbai from Pune at a speed of $78\mathrm{km}/\mathrm{hr}$ and returns to Pune at speed of $91\mathrm{km}/\mathrm{hr}$, through same route. What is his average speed (in $\mathrm{km}/\mathrm{hr})$ of the entire journey?