Question
A person travels 30 km at a speed of 15 km/h, another 20
km at 10 km/h, and the final 50 km at 25 km/h. What is the average speed for the entire journey?Solution
Time for the first part = Distance / Speed = 30 / 15 = 2 hours. Time for the second part = 20 / 10 = 2 hours. Time for the third part = 50 / 25 = 2 hours. Total distance = 30 + 20 + 50 = 100 km. Total time = 2 + 2 + 2 = 6 hours. Average speed = Total distance / Total time = 100 / 6 ≈ 16.67 km/h. Correct Option: b
In which Raga is the traditional wind instrument 'Sundari' from Karnataka played?
According to Uttarakhand Startup Policy 2022, it has been said that 1000 startups will be created within how many years?
The capital of Kenya is -
What is the currency of Germany?
Who is the pioneer female leader of the Central Industrial Security Force (CISF)?
Who is the winner of Rogers Cup 2017 in Montreal, Canada?
In which type of soil is Linseed cultivation not recommended?
Which country is the largest producer of solar energy?
Who among the following became the first woman Chairperson of Indian Banks' Association (IBA)?
Which of the following bank has recently launched FASTag which eases toll collection on National Highways across country?
Relevant for Exams:
Hey, Don't leave. If you have any queries regarding any exam let us know here.
