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: 
Which process is used to make the harvested tobacco leaf ready for the market?
Family of sweet potato is:
In the preparation of audio-visual aids, the principle of ‘A’, ‘B’, ‘C’ signifies:
Malling IX is a rootstock of:
What is the irrigation efficiency in check and basin flooding method of irrigation?
National Institute of Agriculture Marketing (NIAM) is located at
What causes puffy fruit in tomatoes ?
The “Zero Tillage” technique helps in:
A fluorescent light test is particularly useful in detecting which type of seed impurity?
Which of the element is found in abundant quantity after ashing of tobacco leaf:
Relevant for Exams:
