10 Fun Math Puzzles with Solutions | Brain Teasers & Riddles

10 Fun Math Puzzles with Solutions | Brain Teasers & Riddles

10 Fun Math Puzzles with Solutions | Brain Teasers & Riddles

Math Puzzle: ๐Ÿค”๐Ÿ”ข

๐Ÿ”ข Can You Solve This?

If:
๐Ÿ‘‰ 3 + 3 = 12
๐Ÿ‘‰ 4 + 4 = 20
๐Ÿ‘‰ 5 + 5 = 30

Then, what is 6 + 6 = โ“

Comment your answer below! โฌ‡๏ธ


Solution: โœ…

Look at the pattern carefully:

A + A = A ร— A

๐Ÿ“Œ 3 + 3 = 3 ร— 4 = 12
๐Ÿ“Œ 4 + 4 = 4 ร— 5 = 20
๐Ÿ“Œ 5 + 5 = 5 ร— 6 = 30

So,
๐Ÿ“Œ 6 + 6 = 6 ร— 7 = 42

Correct Answer: 42 ๐ŸŽ‰

Did you get it right? Comment below! โฌ‡๏ธ

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1๏ธโƒฃ Puzzle:

If:
๐Ÿ‘‰ 2 + 2 = 8
๐Ÿ‘‰ 3 + 3 = 18
๐Ÿ‘‰ 4 + 4 = 32

Then, what is 5 + 5 = โ“

Solution:
A + A = A ร— A
๐Ÿ“Œ 5 + 5 = 5 ร— 5 = 25 โœ…


2๏ธโƒฃ Puzzle:

A father is 40 years old, and his son is 10 years old. How many years later will the father be twice as old as his son?

Solution:
Let X be the number of years.
๐Ÿ“Œ (40 + X) = 2 ร— (10 + X)
๐Ÿ“Œ 40 + X = 20 + 2X
๐Ÿ“Œ 40 – 20 = 2X – X
๐Ÿ“Œ X = 20 โœ…

After 20 years, the father will be 60, and the son will be 30.


3๏ธโƒฃ Puzzle:

What comes next in this pattern?
2, 6, 12, 20, 30, ?

Solution:
Pattern: nยฒ + n
๐Ÿ“Œ 1ยฒ + 1 = 2
๐Ÿ“Œ 2ยฒ + 2 = 6
๐Ÿ“Œ 3ยฒ + 3 = 12
๐Ÿ“Œ 4ยฒ + 4 = 20
๐Ÿ“Œ 5ยฒ + 5 = 30
๐Ÿ“Œ 6ยฒ + 6 = 42 โœ…

The missing number is 42.


4๏ธโƒฃ Puzzle:

A man buys a bat and a ball for โ‚น110. The bat costs โ‚น100 more than the ball. How much does the ball cost?

Solution:
Let X be the cost of the ball.
๐Ÿ“Œ Bat = X + 100
๐Ÿ“Œ Total = X + (X + 100) = 110
๐Ÿ“Œ 2X + 100 = 110
๐Ÿ“Œ 2X = 10
๐Ÿ“Œ X = 5 โœ…

The ball costs โ‚น5.


5๏ธโƒฃ Puzzle:

Fill in the blank:
9 + 2 = 711
8 + 5 = 313
7 + 6 = 413
5 + 4 = ?

Solution:
The pattern follows: A + B = (A – B)(A ร— B)(A + B)
๐Ÿ“Œ 5 + 4 = (5 – 4)(5 ร— 4)(5 + 4) = 1209 โœ…


6๏ธโƒฃ Puzzle:

What 3 consecutive numbers add up to 96?

Solution:
Let the three numbers be X, X+1, X+2
๐Ÿ“Œ X + (X+1) + (X+2) = 96
๐Ÿ“Œ 3X + 3 = 96
๐Ÿ“Œ 3X = 93
๐Ÿ“Œ X = 31 โœ…

So, the numbers are 31, 32, and 33.


7๏ธโƒฃ Puzzle:

I am a 3-digit number. My tens digit is 5 more than my ones digit. My hundreds digit is 8 less than my tens digit. What number am I?

Solution:
Let the number be XYZ
๐Ÿ“Œ Y = Z + 5
๐Ÿ“Œ X = Y – 8
๐Ÿ“Œ If Z = 1, then Y = 6 and X = 6 – 8 = -2 โŒ (Not possible)
๐Ÿ“Œ If Z = 2, then Y = 7 and X = 7 – 8 = -1 โŒ
๐Ÿ“Œ If Z = 3, then Y = 8 and X = 0 โœ…

The number is 083 or just 83.


8๏ธโƒฃ Puzzle:

You have 10 apples. You take away 3. How many do you have?

Solution:
๐Ÿ“Œ You took 3 apples, so you HAVE 3 apples. โœ…


9๏ธโƒฃ Puzzle:

Using only addition, how can you make 8 + 8 = 4 true?

Solution:
๐Ÿ“Œ 8 AM + 8 Hours = 4 PM โœ…


๐Ÿ”Ÿ Puzzle:

A clock shows 3:15. What is the angle between the hour and minute hands?

Solution:
๐Ÿ“Œ Formula for angle:โˆฃ(30ร—H)โˆ’(5.5ร—M)โˆฃ\left| (30 ร— H) – (5.5 ร— M) \right|โˆฃ(30ร—H)โˆ’(5.5ร—M)โˆฃ

๐Ÿ“Œ H = 3, M = 15
๐Ÿ“Œ Angle = | (30 ร— 3) – (5.5 ร— 15) |
๐Ÿ“Œ = |90 – 82.5| = 7.5ยฐ โœ…


๐ŸŽ‰ Hope you enjoy these puzzles! Comment your answers and challenge your friends!

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