HBS HBS Mathematics 2 — Questions and Answers
Question 1: A shop sells pens for $1.25 each. How much do 8 pens cost?
- $9.00
- $10.00 (Correct answer)
- $10.50
- $9.50
Correct answer: $10.00
8 × $1.25 = $10.00.
Question 2: What is the highest common factor (HCF) of 36 and 48?
- 6
- 9
- 12 (Correct answer)
- 18
Correct answer: 12
Factors of 36: 1,2,3,4,6,9,12,18,36; factors of 48: 1,2,3,4,6,8,12,16,24,48; HCF = 12.
Question 3: A sequence starts: 3, 7, 11, 15, … What is the 8th term?
- 27
- 29
- 31 (Correct answer)
- 33
Correct answer: 31
The sequence increases by 4 each time; 8th term = 3 + 4×7 = 31.
Question 4: If 3x − 7 = 14, what is the value of x?
- 5
- 7 (Correct answer)
- 9
- 11
Correct answer: 7
3x = 21, so x = 7.
Question 5: A circular pizza has a diameter of 30 cm. What is its radius?
- 10 cm
- 12 cm
- 15 cm (Correct answer)
- 20 cm
Correct answer: 15 cm
Radius = diameter ÷ 2 = 30 ÷ 2 = 15 cm.
Question 6: What is 3/8 expressed as a decimal?
- 0.275
- 0.375 (Correct answer)
- 0.425
- 0.325
Correct answer: 0.375
3 ÷ 8 = 0.375.
HBS HBS Mathematics 2
A shop sells pens for $1.25 each.
How much do 8 pens cost?