Question

Arjun covers one-third of a certain distance at a speed

of 45 km/h to reach his destination; It covers half of the remaining distance at a speed of 60 km/h and the remaining distance at a speed of 90 km/h. What is his average speed throughout this period?

A 55 km/h

B 65 km/h

C 60 km/h

D 50 km/h

Practice Next

More Previous year papers Questions

What is the highest common factor of 120 and 1800?
The HCF and LCM of two natural numbers are 14 and 66, respectively. What is the difference between the two numbers, if one of the numbers is 28?
Find the LCM of 20, 30, 40, 50.
Find out how much the Least Common Multiple exceeds the Highest Common Factor of 16, 40, and 80.
The L.C.M of a² – 2a – 3 and a³ + a² + a + 1 is
Find the LCM of the following fractions:

4/13, 5/7 and 7/5
If the sum of 2 numbers is 185, their LCM is 1700 and HCF is 5. Then the difference between 2 numbers is:
Two numbers are in the ratio 2:8. The product of their H.C.F. and L.C.M. is 3600. The sum of the numbers is:
Determine the difference between the LCM and HCF of 18, 24, and 36.
The ratio of two number is 13 : 10 and their HCF is 25. then find out their LCM?

Question

Arjun covers one-third of a certain distance at a speed

Solution

Download the app