Question
A train covers a certain distance at a speed of 40 km/h
and the next same distance with a speed of 70 km/h and the next same distance with a speed of 120 km/h. find the average speed?Solution
Since the distance is same in all the conditions. Therefore, Average speed = 3xyz/(xy + yz + zx) Average speed = 3 x 40 x 70 x 120/(40 x 70 + 70 x 120 + 40 x 120) Average speed = 3 x 40 x 70 x 120/(2800 + 8400 + 4800) = 1008000/16000 = 63 km/hr  Â
What is the interest subvention available under AIF?
Who is known as the father of economics?
Which state contributed the highest share to India’s total meat production during 2023-24?
What new digital feature has been launched to assist farmers under PM-KISAN?
Which of the following states was the largest producer of cotton in 2023-24?
The T value (soil loss tolerance) refers to __________for a specific soil.
On World Environment Day 2025, Prime Minister Narendra Modi launched which tree plantation campaign?
 Innovation and Agri-Entrepreneurship Development (RKVY-RAFTAAR) , scheme with objective of promoting innovation and agri-entrepreneurship by providin...
In which climate soil develops slowly?
The another name of acid or alkaline soil which is used to designate hard and intractable soil is
Relevant for Exams:
