Estimation question

How many GSuite users are there given GSuite revenue is US $7B?

Practice this question out loud. An AI interviewer asks it, follows up like a real interviewer would, and scores your answer. Type or speak.

What this question tests

Tests reverse estimation: working backward from a known revenue figure to a user count using a reasonable pricing assumption.

State the goal: estimate the number of paying GSuite users implied by 7 billion dollars in annual revenue.
Estimate average revenue per user: assume a blended average price of 9 dollars per user per month across Business and Enterprise tiers.
Compute annual revenue per user: 9 dollars times 12 months, about 108 dollars per user per year.
Compute user count: 7 billion divided by 108, approximately 65 million paying users.
Sanity-check: compare against known public estimates of Workspace's user base to confirm the order of magnitude is plausible.
Note the simplification: real pricing varies by tier and enterprise discount, so flag this as a directional estimate.

Works the problem backward cleanly, stating the pricing assumption before dividing revenue by it.
Uses a blended average price across known tiers rather than assuming one flat, unexplained number.
Explicitly computes annual revenue per user as an intermediate step, keeping the math auditable.
Sanity-checks the resulting user count against a plausible real-world scale for Workspace.

Guessing a user count directly without showing the revenue-per-user math.
Using an unrealistic single price point that ignores volume or enterprise discounts.

How would you adjust if enterprise customers get a 30% volume discount?
How confident are you in the 9-dollar assumption, and how would you validate it?