Anu, Bijay, Chetan, Deepak, Eshan, and Faruq are six friends. Each of them uses a mobile number from exactly one of the two mobile operators - Xitel and Yocel. During the last month, the six friends made several calls to each other.
Each call was made by one of these six friends to another. The table below summarizes the number of minutes of calls that each of the six made to (outgoing minutes) and received from (incoming minutes) these friends, grouped by the operators. Some of the entries are missing.
It is known that the duration of calls from Faruq to Eshan was 200 minutes.
Also, there were no calls from:
i. Bijay to Eshan,
ii. Chetan to Anu and Chetan to Deepak,
iii. Deepak to Bijay and Deepak to Faruq,
iv. Eshan to Chetan and Eshan to Deepak.
Q) What was the duration of calls (in minutes) from Bijay to Anu?
Correct Answer :
50
Solution :
The correct answer is 50.
Step-by-step Explanation:
1. Identify the Operators and Users:
Based on the table in the image:
2. Analyze Xitel-to-Xitel Calls:
Since Anu and Bijay are the only two users of the Xitel operator, any call within the Xitel network must be between Anu and Bijay. Specifically:
3. Calculate the Call Duration from Bijay to Anu:
Looking at the row for Anu:
Thus, the duration of calls from Bijay to Anu is:
Access expert-curated educational resources and study materials—completely free.
Create, conduct, and manage professional online assessments with Mindyard. Perfect for teachers and institutes.
Copyright © 2026 Mindyard. All Rights Reserved.