Question
A traveler moves a distance in three intervals. In the
first 'u - 15' km, he travels at 20 km/h, in the next 'u' km at 40 km/h, and completes the journey of 'u + 15' km at 30 km/h. If the average speed for the entire trip is 30 km/h, what is 'u'?Solution
ATQ, The traveler covers three distances: u−15 km at 20 km/h u km at 40 km/h u+15 km at 30 km/h The average speed for the entire trip is 30 km/h. 
Given the average speed is 30 km/h: 
Solve for u: Simplify the equation to get: 
In a triangle ABC, the angle A = 50˚ and angle B = 60˚. What is the third angle?
Which state in India has the highest micro-irrigation area?
What is the term for insurance purchased by an insurance company directly from one or more insurance companies or through a broker for the purpose of ri...
Pradhan Mantri Suraksha Bima Yojana (PMSBY) is related to which type of insurance?
Neeraj Chopra first set the senior national record during the 2016 South Asian Games held at __________.
Reo Purgyil mountain peak is located in which of the following states?
Which is the capital of Punjab?
The First Indian Factories Act, passed in 1881, dealt primarily with:
Reporting on fraud is to be made by an auditor to the Central Government when the sums involved in the fraud:
During the period between end-December 2022 and end-March 2023, India’ss external debt decreased by US$ 6.0 billion, which was a decline of how much p...
Relevant for Exams:
