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This is a medium difficulty Statistics & Math question, commonly asked during Take-home Project rounds at SIG (Susquehanna).

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This question is commonly asked for Data Scientist candidates at SIG (Susquehanna) during technical interviews.

Solve relative-truth cat puzzle

Last updated: Mar 29, 2026

Quick Overview

This question evaluates logical deduction, constraint satisfaction, and quantitative manipulation of percentages and averages within a relative truth/lie framework, and is categorized under Statistics & Math and discrete logic puzzles.

SIG (Susquehanna)

Aug 11, 2025, 12:00 AM

Data Scientist

Take-home Project

Statistics & Math

Logic Puzzle: Directed Truth/Lie Rule and Cat Counts

Three people (Asta, Bronya, Clara) each own a different number of cats (positive integers). When someone speaks to another person:

They tell the truth if the listener has fewer cats than the speaker.
They lie if the listener has more cats than the speaker.

Not all statements are true.

Statements:

Bronya to Clara: "You have the most cats."
Asta to Bronya: "I have exactly 30% more cats than you."
Asta to Clara: "Your number of cats is the average of Bronya’s and mine."
Clara to Asta: "You have at least 4 more cats than me."

Question: How many cats does Asta have?

Solution

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