Chapter-1 Number and Calculation — Online MCQ Test
MATHS · Grade 10 · IGCSE cambridge
Practice Chapter-1 Number and Calculation with a free chapter-wise online MCQ test.
This chapter covers: Working with integers fractions decimals percentages standard form and order of operations with and without a calculator..
AI-generated questions from basic to board-exam level, with instant results and explanations.
Chapter-1 Number and Calculation — Important Questions & Answers
What is the value of 6 + 4 × 3?
- A. 30
- B. 18
- C. 24
- D. 15
Answer: B. 18
Multiplication is done before addition: 4 × 3 = 12, then 6 + 12 = 18.
Multiplication is done before addition: 4 × 3 = 12, then 6 + 12 = 18.
Write 0.75 as a fraction in its simplest form.
- A. 75/10
- B. 7/5
- C. 3/4
- D. 15/20
Answer: C. 3/4
0.75 = 75/100, which simplifies by dividing by 25 to give 3/4.
0.75 = 75/100, which simplifies by dividing by 25 to give 3/4.
What is 2/3 + 5/6?
- A. 7/9
- B. 7/6
- C. 3/2
- D. 1/2
Answer: C. 3/2
Convert 2/3 to 4/6, then add: 4/6 + 5/6 = 9/6 = 3/2.
Convert 2/3 to 4/6, then add: 4/6 + 5/6 = 9/6 = 3/2.
A phone costs ₹2500. It is discounted by 20%, and then 18% GST is added to the discounted price. What is the final price?
- A. ₹2000
- B. ₹2180
- C. ₹2360
- D. ₹2950
Answer: C. ₹2360
After a 20% discount, the price is ₹2500 × 0.8 = ₹2000. Adding 18% GST gives ₹2000 × 1.18 = ₹2360.
After a 20% discount, the price is ₹2500 × 0.8 = ₹2000. Adding 18% GST gives ₹2000 × 1.18 = ₹2360.
Evaluate 5 - [3/4 ÷ (1/2)^2] + 2^3.
- A. 6
- B. 8
- C. 10
- D. 14
Answer: C. 10
(1/2)^2 = 1/4, so 3/4 ÷ 1/4 = 3. Then 5 - 3 + 8 = 10.
(1/2)^2 = 1/4, so 3/4 ÷ 1/4 = 3. Then 5 - 3 + 8 = 10.