Brain Teaser

Question We can arrange the following instructions in six different ways: set X to X plus Y set Y to X minus Y set Z to X times Y

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Question Nikesh wants to know how much the three textbooks required for the brilliantology course will cost him. By mistake, he re

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Question A rectangular box of chocolates sits on the ground. Its base is a square of side length 4 inches, while its height is 6 i

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Question The figure shown is composed of a triangle and a trapezoid and has perimeter 18. What is its total area? 21√3 / 4 23√

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Question Out of 404 students of Brilliant Language School, 192 learn German, 162 Spanish, and 122 French. Every student learns at

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Question We want to trace the entire figure shown, using these rules: You can start at any intersection on the figure You cannot l

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Question Dorian wants to build a rectangular-shaped house on a plot of circular land with radius 6. What is the largest possible a

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Question Anika is training for a running competition. At first, she jogs with a constant speed of 4 m/s. Then, for the last 60 m o

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Question You’re given four boxes, each containing three gold/silver coins as shown. You pick one box at random and remove on

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Question What is the largest number of statements below that can be simultaneously true? All the statements below this one are fal

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Question 512 small cubes are arranged into a larger 8×8 cube, and then the outside of the larger cube is painted. Some of the sma

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Question Bjorn holds two water balloons on a platform from 20 m high. As he throws one of the balloons straight down, the other on

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