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Puzzles

One activity that many of our members enjoy is puzzling! You can test yourself for fun with our brainteasers. Our quizzes and conundrums are updated regularly, so do check back on the page for the latest content, and if you get really good at them, why not find out what your IQ is by booking a Mensa Supervised IQ Test?

23/11/24 – Buckets

I have three buckets A, B and C.

When full bucket B holds twice as much water as bucket C.

Bucket A is full and holds 45 glasses of water.

I empty bucket A so that each of the three buckets hold 3⁄5 of its capacity.

What is the capacity of bucket B in glasses of water?

Puzzle courtesy of Mensa member Peter Hooton

  • Show Answer

Answer = 20 Glasses
Bucket A has 45 Glasses. 3⁄5 of 45 = 27.
B + C now hold (45 – 27) = 18 glasses between them.
B holds twice as much (12) as C (6).
12 represents 3⁄5 of the capacity of B.
Capacities A = 45, B = 20, C = 10

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