Question
Krishna covers a certain distance by train at 25 km/hr.
and the equal distance on foot at 4 km/hr. If the time taken by him for the whole journey be 5 hrs and 48 minutes, how much total distance did he cover?Solution
Total distance = x km Distance by train = x/2 km Distance by Feet = x/2 km Time taken to cover x/2 by train = x/50 hours Time taken to cover x/2 by foot = x/8 hours => x/50 + x/8 = 5(48/60) => x = 40 km
Any numbered relationship has how many participating entities?
Predict the correct output
What is the purpose of virtual memory?
Which boolean operator represents logical AND?
In Stop-and-Wait flow control, what happens if the sender does not receive an acknowledgment for a transmitted frame?
Which error correction technique is capable of correcting single-bit errors and detecting two-bit errors?
What is the purpose of a weak entity in the ER model?
What is the purpose of the Program Counter (PC) in CPU control design?
What is the time complexity of a dynamic programming solution for a problem with "n" subproblems and each subproblem taking "O(1)" time to solve?
What happens to the memory allocated to a local variable when the function exits?
Relevant for Exams:
