Number system (IX) set -2

What is the value of the expression 3 + 5 × 2?

Which of the following is a rational number?

Convert the decimal 0.75 into a fraction.

Which number is irrational?

What is the result of (2 + 3)²?

If x = 2, what is the value of 4x - 3?

Which of the following is not a whole number?

What is the LCM of 4 and 6?

What is the value of √(16)?

Which of the following pairs are both rational numbers?