Skip to content
Medium Apply Back-of-Envelope Estimation Multiple Choice

A social graph has 500M users, each with an average of 500 connections. How many rows are in the edge table?

Apply — Tests ability to use knowledge in practical scenarios.

Answer Options

A 500M
B 1 billion
C 250 billion
D 500 billion

Want to see the correct answer?

Get the answer with a detailed explanation, plus practice 20+ more Back-of-Envelope Estimation questions with adaptive quizzes and timed interviews.

See the Answer on Guru Sishya →

This question is from the Back-of-Envelope Estimation topic (System Design).

More Back-of-Envelope Estimation Questions