Does mathematics ever disappoint anyone? Well, if you have a math test, you might feel frustrated. But overall, math is an interesting subject. Don’t believe us? Try these fun math puzzles.
Math quizzes with answers:
Math puzzle 1:
Sam has a cute box. The box has 4 brown buttons, 7 gray buttons and 5 black buttons. Each button actually has a different size. A node is chosen at random by Sam. What do you think is the probability that Sam will choose the smallest black button?
Math puzzle 2:
John saves an additional $200 per year compared to the previous year. If John starts with $400 in the first year, how many years will it take to reach $18,000 (if we exclude interest)?
Math puzzle 3:
Henry, the magician has a unique die that he uses for his magic tricks. The six faces of the dice are marked as 1, 2, 3, 4, 5 and 5, respectively. Note that the magician’s dice do not have a 6 on any of them. If Henry calls one of the volunteers from the audience and the volunteer rolls 3 such dice in a row, what do you think is the probability that the top has a total of 14 points?
HERE ARE THE SELECTIONS:
- Chances are between 20% and 25%.
- The chance is more than 25%.
- Chances are between 5% and 10%.
- Chances are between 10% and 20%.
Math puzzle 4:
Are you smart enough to understand this unique series? Which number do you think is in K?
0.. 6.. 24.. 60.. 120.. CZK
HERE ARE THE SELECTIONS:
- 120
- 150
- 180
These are the answers:
Math puzzle 1:
Sam has a cute box. The box has 4 brown buttons, 7 gray buttons and 5 black buttons. Each button actually has a different size. A button chosen at random by Sam. What do you think is the probability that Sam will choose the smallest black button?
Answer: 1/5
Math puzzle 2:
John saves an additional $200 per year compared to the previous year. If John starts with $400 in the first year, how many years will it take to reach $18,000 (if we exclude interest)?
Answer: 12 years
Math puzzle 3:
How many times can you subtract five from 25?
Answer: Only once
Math puzzle 4:
If seven people meet and each shakes hands only once, how many handshakes will there be?
Answer: Twenty-one
Categories: Optical Illusion
Source: pagasa.edu.vn