Q.1.
What is the value of 2a - a, when a = 4?
Q.2.
What is the value of 2 + 3 x 5?
Q.3.
What is the correct sequence for mathematical operations?
Q.4.
What is the value of x / (4y - 7), when x = 5 and y = 8?
Q.5.
What is the value of 3x when x = 2?
Q.6.
If x = 5, which of these calculations is correct?
Q.7.
What is the value of (3x) when x = 2?
Q.8.
What is the value of (3 + a)(4 + a) when a = 4?
Q.9.
What is the value of 2 x 3 + 5?
Q.10.
What does the O stand for in BODMAS?