Find out the missing number in this math puzzle

Challenge your mathematical intelligence and logical reasoning skills with these engaging math IQ questions. You have to crack the math tricks and find the missing number. These puzzles are especially useful for school students to strengthen their basics while also practicing quick calculations.

Find out the missing number in this math puzzle

Find out the missing number in this math puzzle

Math Puzzle Explanation & Answer

  • The center has four inner numbers arranged in a 2×2 grid:
    81, ?, 9, 16.
  • Around them are four outer numbers:
    Top 72, Left 27, Right 32, Bottom 12.

Pattern

  • Each inner number is a perfect square.
  • Each outer number equals the product of the square roots of the two adjacent inner numbers.

Explanation:

  • Left: √81 × √9 = 9 × 3 = 27 ✔️
  • Bottom: √9 × √16 = 3 × 4 = 12 ✔️
  • Top: √81 × √? = 9 × √? = 72 ⇒ √? = 8 ⇒ ? = 64
  • Right: √64 × √16 = 8 × 4 = 32 ✔️

Missing number = 64

 

Read More: Triangle Math Puzzle: Can you solve this in 15 seconds?

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