Mental Math Quiz

What is 45 × 6 ?

What is 72 ÷ 8 ?

What is 15% of 200 ?

What is 99 + 101 ?

What is the square of 13 ?

What is value of $5^3$​​​​​ ?

What is 60 - 25 ?

What is the greatest two-digit prime number ?

How many sides does a decagon have ?

What is the lowest two-digit prime number ?

Which of the following is a natural number ?

Which of the following is a whole number ?

Which of the following is an integer ?

What is the product of -3 and 4 ?

Which of the following is a rational number ?

Which of the following is an irrational number ?

Which of the following is not a real number ?

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

What is the result of (4+2)×(3+1) ?

What is​ $\log_{10}1$​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​ ?