Question
A person saves 30% of his monthly income. If his monthly
is increased by 45% and he still saves the same amount as before then find percentage increase (approximate) in his monthly expenditure.Solution
Let monthly of person is Rs. 100x Monthly savings = 0.30 times; 100x = Rs. 30x Monthly expenditure = 100x ndash; 30x = Rs. 70x His increased monthly income = 1.45 times; 100x = Rs. 145x His monthly expenditure now = 145x ndash; 30x = 115x Percentage increase in expenditure = [(115x ndash; 70x)/70x] times; 100 ~ 64.3%
Which of the following data structures is best suited for implementing a priority queue?
Which of the following operations is most efficient in a singly linked list compared to an array?
Which protocol is most commonly used in IoT devices for lightweight, efficient communication in constrained networks?
For a given array, there can be multiple ways to reach the end of the array using minimum number of jumps.
In terms of processor performance, which factor has the greatest impact on reducing instruction execution time for computationally heavy applications? ...
Which of the following sorting algorithms is NOT stable?
Appending value to list in python
What does 'IMPS' stand for?
Which of the following virtualization types allows multiple operating systems to run concurrently on a single physical machine, but does not require a h...
Purpose of Scope resolution operator
Relevant for Exams:
