18/1/24 – Mensa

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?

18/1/24

What numbers should replace the question marks?

Show Answer

Ans = 1 and 1
The sequences are the 4th, 7th and 10th square and triangular numbers. Therefore, we need the first triangular number in the triangle and the first square number in the square. They are respectively, 1 and 1.

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