Mensa IQ Test Mensa IQ Numerical Pattern Recognition Questions and Answers 3

Question 1

What comes next? 1, 2, 4, 7, 11, 16, ?

Accepted Answer

22

Answer

Differences: 1, 2, 3, 4, 5, 6 (increasing by 1). 16+6=22.

Question 2

In a 3×3 magic square where rows sum to 15, what goes in the center? [Row 1: 2, 7, 6] [Row 2: 9, ?, 1] [Row 3: 4, 3, 8]

Accepted Answer

5

Answer

Row 2 must sum to 15: 9 + ? + 1 = 15, so ? = 5.

Question 3

What is the next number? 1, 8, 27, 64, 125, ?

Accepted Answer

216

Answer

These are perfect cubes: 1³=1, 2³=8, 3³=27, 4³=64, 5³=125, 6³=216.

Question 4

Find the odd one out: 121, 144, 169, 196, 200, 225

Accepted Answer

200

Answer

All numbers except 200 are perfect squares: 11²=121, 12²=144, 13²=169, 14²=196, 15²=225. 200 is not a perfect square.

Question 5

What number comes next? 3, 9, 27, 81, ?

Accepted Answer

243

Answer

Each term is multiplied by 3: 3×3=9, 9×3=27, 27×3=81, 81×3=243.

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