Mathematics & numbers: Test your math skills and number knowledge

Questions

1. What is the sum of the first five prime numbers?
2. What is the value of 8 squared?
3. If you multiply a number by 3 and then add 4 to the result, you get 19. What is the original number?
4. What is the smallest three-digit number?
5. How many sides does a hexagon have?
6. What is the common difference in the arithmetic sequence: 3, 7, 11, 15?
7. What is the product of 12 and 7?
8. If a rectangle has a length of 10 units and a width of 4 units, what is its area?
9. What is the next number in the sequence: 2, 4, 8, 16, ___?
10. How many zeros are there in one thousand?

Answers

1. 28 (2 + 3 + 5 + 7 + 11)
2. 64 (8²)
3. 5 (3×5 + 4 = 19)
4. 100
5. 6
6. 4
7. 84
8. 40 square units
9. 32 (each number is multiplied by 2)
10. 3