# 15 Brain Teasers That Will Instantly Boost Your Mental Power

Math can look confusing and terrifying at first glance. But under the rough surface lies a beautiful world of wonder, exploration, and joy. Arithmetic can even promote your cognitive function and sharpen your critical thinking. Yep, even in the leisure of your own home.

So are you looking for an entertaining but also challenging activity? We at **Bright Side** are here to deliver 15 math puzzles to you that will boost your mood and mental power better than your morning coffee.

### 1. What is the value of the equation?

Tap to see the answer

Tap to see the answer

### 2. What digit is N so the equation is correct?

Tap to see the answer

Tap to see the answer

### 3. Use: “+‘, ’-”, “x”, “/”. Add the appropriate one between the digits of the numbers in order to make the equation right.

Tap to see the answer

Tap to see the answer

### 4. How many triangles are in the picture?

Tap to see the answer

Tap to see the answer

### 5. How much does one ball weigh?

Tap to see the answer

Tap to see the answer

### 6. Replace the letters with digits in order to make the equation right.

Tap to see the answer

Tap to see the answer

### 7. Find the values.

Tap to see the answer

Tap to see the answer

### 8. How many balls do you have to use to balance the second scale?

Tap to see the answer

Tap to see the answer

### 9. Use digits from 0 to 9. The sum of the 3 values on each side of the triangle must be 9.

Tap to see the answer

Tap to see the answer

### 10. Replace the letters with digits in order to make the equation right.

Tap to see the answer

Tap to see the answer

### 11. What is the next number in the series?

Tap to see the answer

Tap to see the answer

### 12. Move 3 matches to create 4 rectangles.

Tap to see the answer

Tap to see the answer

### 13. Crack the code using the instructions.

Tap to see the answer

Tap to see the answer

### 14. How many circles are in the picture?

Tap to see the answer

Tap to see the answer

### 15. What is the value of the equation?

Tap to see the answer

Tap to see the answer

Which task was most challenging for you? Tell us in the comments.

Share This Article