IGCSE MATHEMATICS– EXAM QUESTIONS AND ANSWERS |
ACCURATE AND WELL DETAILED | COMPLETE GUIDE &
RATIONALES | A+ MATERIAL | NEWEST UPDATE
*CORE DOMAINS:*
*1. Number and Operations*
*2. Algebra and Sequences*
*3. Coordinate Geometry*
*4. Geometry and Mensuration*
*5. Trigonometry*
*6. Vectors and Transformations*
*7. Probability*
*8. Statistics*
*INTRODUCTION:*
*This comprehensive assessment is designed to evaluate student prof
What is the value of 3 cubed plus 2 squared?
A. 25
🟢 B. 31
C. 35
D. 13
🔴 Explanation: Evaluate the exponents first: 3 cubed is 27 and 2
squared is 4. Adding these values together gives 27 + 4 = 31.
Express 0.000456 in standard form.
🟢 A. 4.56 x 10^-4
B. 4.56 x 10^-3
C. 45.6 x 10^-5
D. 0.456 x 10^-3
🔴 Explanation: To write in standard form, move the decimal point 4
places to the right to get 4.56, which requires multiplying by 10 to the
power of negative 4.
Simplify the algebraic expression: 5x - 2(3x - 4).
A. -x - 4
B. 11x - 8
, 🟢 C. -x + 8
D. 11x + 8
🔴 Explanation: Expand the parentheses: 5x - 6x + 8. Combine like terms
to get -x + 8.
Solve for x: 3(2x - 1) = 15.
A. 2
B. 4
🟢 C. 3
D. 5
🔴 Explanation: Expand the bracket to get 6x - 3 = 15. Add 3 to both
sides to get 6x = 18, then divide by 6 to find x = 3.
What is the gradient of the line passing through the points (2, 3) and
(6, 11)?
A. 1
B. 3
🟢 C. 2
D. 4
🔴 Explanation: Use the gradient formula (y2 - y1) / (x2 - x1). Substituting
the points gives (11 - 3) / (6 - 2) = = 2.
Find the interior angle of a regular octagon.
A. 108 degrees
B. 120 degrees
🟢 C. 135 degrees
D. 140 degrees
🔴 Explanation: The sum of interior angles is (n - 2) * 180. For an
octagon (n = 8), this is 6 * 180 = 1080 degrees. Divide by 8 to get 135
degrees.
Calculate the volume of a cylinder with radius 3 cm and height 10
cm. Use pi = 3.14.
A. 188.4 cubic cm
🟢 B. 282.6 cubic cm
C. 94.2 cubic cm
D. 565.2 cubic cm
🔴 Explanation: The formula for the volume of a cylinder is pi * r squared
* h. Substituting values: 3.14 * 9 * 10 = 282.6 cubic cm.
, In a right-angled triangle, the hypotenuse is 13 cm and one leg is 5
cm. Find the length of the other leg.
A. 8 cm
B. 10 cm
🟢 C. 12 cm
D. 14 cm
🔴 Explanation: Use Pythagoras theorem: a squared = c squared - b
squared. Here, a squared = 169 - 25 = 144, so a = 12 cm.
A bag contains 3 red marbles, 5 blue marbles, and 2 green marbles.
What is the probability of drawing a blue marble?
A. 3/10
🟢 B. 1/2
C. 1/5
D. 3/5
🔴 Explanation: Total marbles = 3 + 5 + 2 = 10. Number of blue marbles
= 5. Probability = 5/10, which simplifies to 1/2.
Calculate the mean of the following data set: 4, 8, 6, 10, 12.
A. 7
B. 9
🟢 C. 8
D. 10
🔴 Explanation: Sum the numbers (4 + 8 + 6 + 10 + 12 = 40) and divide
by the count of numbers (5). = 8.
Expand and simplify: (x + 4)(x - 3).
A. x squared + x - 12
🟢 B. x squared + x - 12
C. x squared - 7x - 12
D. x squared + 7x + 12
(Wait, let's make sure the options are distinct or correctly varied)
Let's rewrite options for Q11:
A. x squared - x - 12
B. x squared + 7x - 12
🟢 C. x squared + x - 12
D. x squared - 7x + 12
🔴 Explanation: Using FOIL: x(x) + x(-3) + 4(x) + 4(-3) = x squared - 3x +
4x - 12 = x squared + x - 12.
ACCURATE AND WELL DETAILED | COMPLETE GUIDE &
RATIONALES | A+ MATERIAL | NEWEST UPDATE
*CORE DOMAINS:*
*1. Number and Operations*
*2. Algebra and Sequences*
*3. Coordinate Geometry*
*4. Geometry and Mensuration*
*5. Trigonometry*
*6. Vectors and Transformations*
*7. Probability*
*8. Statistics*
*INTRODUCTION:*
*This comprehensive assessment is designed to evaluate student prof
What is the value of 3 cubed plus 2 squared?
A. 25
🟢 B. 31
C. 35
D. 13
🔴 Explanation: Evaluate the exponents first: 3 cubed is 27 and 2
squared is 4. Adding these values together gives 27 + 4 = 31.
Express 0.000456 in standard form.
🟢 A. 4.56 x 10^-4
B. 4.56 x 10^-3
C. 45.6 x 10^-5
D. 0.456 x 10^-3
🔴 Explanation: To write in standard form, move the decimal point 4
places to the right to get 4.56, which requires multiplying by 10 to the
power of negative 4.
Simplify the algebraic expression: 5x - 2(3x - 4).
A. -x - 4
B. 11x - 8
, 🟢 C. -x + 8
D. 11x + 8
🔴 Explanation: Expand the parentheses: 5x - 6x + 8. Combine like terms
to get -x + 8.
Solve for x: 3(2x - 1) = 15.
A. 2
B. 4
🟢 C. 3
D. 5
🔴 Explanation: Expand the bracket to get 6x - 3 = 15. Add 3 to both
sides to get 6x = 18, then divide by 6 to find x = 3.
What is the gradient of the line passing through the points (2, 3) and
(6, 11)?
A. 1
B. 3
🟢 C. 2
D. 4
🔴 Explanation: Use the gradient formula (y2 - y1) / (x2 - x1). Substituting
the points gives (11 - 3) / (6 - 2) = = 2.
Find the interior angle of a regular octagon.
A. 108 degrees
B. 120 degrees
🟢 C. 135 degrees
D. 140 degrees
🔴 Explanation: The sum of interior angles is (n - 2) * 180. For an
octagon (n = 8), this is 6 * 180 = 1080 degrees. Divide by 8 to get 135
degrees.
Calculate the volume of a cylinder with radius 3 cm and height 10
cm. Use pi = 3.14.
A. 188.4 cubic cm
🟢 B. 282.6 cubic cm
C. 94.2 cubic cm
D. 565.2 cubic cm
🔴 Explanation: The formula for the volume of a cylinder is pi * r squared
* h. Substituting values: 3.14 * 9 * 10 = 282.6 cubic cm.
, In a right-angled triangle, the hypotenuse is 13 cm and one leg is 5
cm. Find the length of the other leg.
A. 8 cm
B. 10 cm
🟢 C. 12 cm
D. 14 cm
🔴 Explanation: Use Pythagoras theorem: a squared = c squared - b
squared. Here, a squared = 169 - 25 = 144, so a = 12 cm.
A bag contains 3 red marbles, 5 blue marbles, and 2 green marbles.
What is the probability of drawing a blue marble?
A. 3/10
🟢 B. 1/2
C. 1/5
D. 3/5
🔴 Explanation: Total marbles = 3 + 5 + 2 = 10. Number of blue marbles
= 5. Probability = 5/10, which simplifies to 1/2.
Calculate the mean of the following data set: 4, 8, 6, 10, 12.
A. 7
B. 9
🟢 C. 8
D. 10
🔴 Explanation: Sum the numbers (4 + 8 + 6 + 10 + 12 = 40) and divide
by the count of numbers (5). = 8.
Expand and simplify: (x + 4)(x - 3).
A. x squared + x - 12
🟢 B. x squared + x - 12
C. x squared - 7x - 12
D. x squared + 7x + 12
(Wait, let's make sure the options are distinct or correctly varied)
Let's rewrite options for Q11:
A. x squared - x - 12
B. x squared + 7x - 12
🟢 C. x squared + x - 12
D. x squared - 7x + 12
🔴 Explanation: Using FOIL: x(x) + x(-3) + 4(x) + 4(-3) = x squared - 3x +
4x - 12 = x squared + x - 12.