Everyday Math Puzzles

Education · 10 questions

Sharp arithmetic and clever number tricks for a quick brain workout.

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1. What is 15% of 240?

   1. 32
   2. 36
   3. 30
   4. 40
   Show the answer

   B) 36

2. What is the next number in the series: 1, 1, 2, 3, 5, 8, ...?

   1. 11
   2. 12
   3. 15
   4. 13
   Show the answer

   D) 13

3. If a shirt costs 40 after a 20% discount, what was its original price?

   1. 50
   2. 48
   3. 52
   4. 60
   Show the answer

   A) 50

4. How many degrees are in the interior angles of a triangle?

   1. 90
   2. 270
   3. 180
   4. 360
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   C) 180

5. What is 2 raised to the power of 10?

   1. 1,024
   2. 1,000
   3. 512
   4. 2,048
   Show the answer

   A) 1,024

6. How many prime numbers are there between 1 and 20?

   1. 7
   2. 8
   3. 9
   4. 10
   Show the answer

   B) 8

7. What is the sum of all whole numbers from 1 to 100?

   1. 5,000
   2. 5,100
   3. 5,050
   4. 4,950
   Show the answer

   C) 5,050

8. If you flip a fair coin twice, what is the chance of two heads?

   1. 1 in 2
   2. 1 in 3
   3. 1 in 8
   4. 1 in 4
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   D) 1 in 4

9. Zero is an even number.

   1. True
   2. False
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   A) True

10. A hexagon has eight sides.

    1. True
    2. False
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    B) False