15 Mind-Challenging Math Puzzles in 4 Difficulty Levels

 

Level 1 (Easy) - 4 Questions

1. What number, when added to itself, gives 10?

   • A) 3
   • B) 5
   • C) 10
   • D) 8
   • ✅ Answer: B) 5

2. What is the result of 7 × 6?

   • A) 36
   • B) 42
   • C) 48
   • D) 40
   • ✅ Answer: B) 42

3. If you have 15 apples and take away 7, how many apples do you have now?

   • A) 7
   • B) 8
   • C) 15
   • D) 0
   • ✅ Answer: C) 15 (Because you still own the apples you took!)

4. What is the next number in the sequence: 2, 4, 6, 8, …?

   • A) 9
   • B) 10
   • C) 12
   • D) 14
   • ✅ Answer: B) 10

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Level 2 (Medium) - 4 Questions

5. What is half of a quarter of 64?

   • A) 8
   • B) 16
   • C) 4
   • D) 32
   • ✅ Answer: C) 4

6. If X + 3 = 10, what is the value of X?

   • A) 7
   • B) 10
   • C) 3
   • D) 13
   • ✅ Answer: A) 7

7. Which number, when multiplied by itself and then added to 10, results in 26?

   • A) 4
   • B) 5
   • C) 6
   • D) 3
   • ✅ Answer: A) 4 (Because 4 × 4 = 16, and 16 + 10 = 26)

8. Ahmed has twice the number of balls that Salem has. If Salem has 9 balls, how many does Ahmed have?

   • A) 9
   • B) 18
   • C) 27
   • D) 36
   • ✅ Answer: B) 18

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Level 3 (Hard) - 4 Questions

9. How many minutes are there in 3 hours and 40 minutes?

   • A) 180
   • B) 200
   • C) 220
   • D) 240
   • ✅ Answer: C) 220 (Because 3 hours = 180 minutes, and 180 + 40 = 220)

10. If the perimeter of a square is 48 cm, what is the length of one side?

• A) 12 cm
• B) 10 cm
• C) 15 cm
• D) 14 cm
• ✅ Answer: A) 12 cm (Because Perimeter = 4 × side length, so 48 ÷ 4 = 12)

11. Which number, when divided by 3 and then multiplied by 4, results in 40?

• A) 25
• B) 30
• C) 35
• D) 40
• ✅ Answer: B) 30 (Because 30 ÷ 3 = 10, and 10 × 4 = 40)

12. If 3X + 5 = 20, what is the value of X?

• A) 3
• B) 5
• C) 7
• D) 10
• ✅ Answer: B) 5 (Because 3 × 5 = 15, and 15 + 5 = 20)

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Level 4 (Very Hard) - 3 Questions

13. If the price of 3 books and 2 notebooks is 80 riyals, and the price of 1 book and 1 notebook is 30 riyals, what is the price of one book?

• A) 10
• B) 15
• C) 20
• D) 25
• ✅ Answer: C) 20

14. How many odd numbers between 10 and 50 are divisible by 3 without a remainder?

• A) 6
• B) 7
• C) 8
• D) 9
• ✅ Answer: B) 7

15. A man has 100 dollar and wants to buy pens that cost 7 dollar each. How many pens can he buy?

• A) 14
• B) 15
• C) 16
• D) 17
• ✅ Answer: A) 14 (Because 100 ÷ 7 ≈ 14)

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