Home
Class 14
MATHS
A racing car going at an average speed o...

A racing car going at an average speed of 108 km/hr takes 15 minutes to complete a lap on a racing track. By how much should it increase its speed (in km/hr) to complete the lap in 12 minutes ?

A

24

B

21

C

27

D

30

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Similar Questions

Explore conceptually related problems

A sports car going at an average speed of 108 km/h takes 15 minutes to complete a lap on a racing track. How much speed (in km/h) should be increased to complete the lap in 9 minutes? 108 km/h की औसत गति से चलने वाली एक स्पोर्ट्स कार को रेसिंग ट्रैक पर एक घेरे को पूरा करने में 15 मिनट लगते हैं। 9 मिनट में घेरे को पूरा करने के लिए कितनी गति (km/h) बढ़ाई जानी चाहिए?

A train is running at an average speed of 82 km/hr. How much distance will it cover in 24 minutes ?

A car is travelling at the average speed of 50 km/hr. How much distance would it travel in 12 minutes?

A car is travelling at the average speed of 50 km/hr. How much distance would it travel in 1 hour 12 minutes?

Shalu cycles to her school at an average speed of 12 km/hr. It takes her 20 minutes to reach the school. If she wants to reach her school in 15 minutes, what should be her average speed?

A car is travelling at an average speed of 60 km per hour. How much distance will it cover in 1 hour 12 minutes?