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Mathematics for IGCSE & O level - The Four Operations (Section 9)

1
Which number is both a square number and an even number?
Answer
A
C
2
Which of the following statements are true regarding the rules for multiplication and division with positive and negative numbers?
Answer
A
B
3
What is 0.75 + 0.25?
Answer
(B)
1.0
4
What is the result of $\frac{3}{4} \times \frac{2}{5}$?
Answer
(B)
6/20
5
What is the first step to solve the equation: 2x + 3 = 7?
Answer
(A)
Subtract 3 from both sides.
6
What is the correct order of operations to solve this: 2 + (3 * 4) / 2 - 1?
Answer
(B)
Parentheses, Multiplication, Division, Addition, Subtraction
7
What is the area of a rectangle with a length of 5 cm and a width of 3 cm?
Answer
(B)
15 cm²
8
What is 4/9 - 1/3?
Answer
(A)
3/6
9
Which metric unit is typically used to measure the length of a room?
Answer
(C)
Meter
10
Which operations are done before addition and subtraction?
Answer
A
B
C
D
11
Which of the following is the same as 1/3 divided by 2?
Answer
(A)
1/6
12
In the equation y = mx + c, what does 'c' represent?
Answer
(C)
Y-intercept
13
Which of the following is equal to 3.2 ÷ 0.08?
Answer
(C)
40
14
When simplifying fractions, you should:
Answer
(C)
Divide both the numerator and the denominator by their greatest common factor.
15
If a product costs $50 and has a 10% discount, what is the discounted price?
Answer
(D)
$45
16
How do you convert a decimal to a percentage?
Answer
(B)
Multiply by 100
17
If the original price is $100 and it is reduced by 30%, what is the new price?
Answer
(B)
$70
18
If the signs are different, what is the result?
Answer
(B)
Negative
19
What is the result of 1/4 + 3/8?
Answer
(B)
5/8
20
What is the value of 2.5 * 4?
Answer
(C)
10
21
Which of the following operations would result in a negative number?
Answer
A
D
22
Which of the following represents 10% of 80?
Answer
(A)
8