Practice Pakistan questions with answers and explanations.
Choose an option to check your answer.
A horizontal line has a constant y-coordinate.
Therefore, an equation of the form y = constant is horizontal.
Choose an option to check your answer.
A vertical line has a constant x-coordinate.
Therefore, x = -3 represents a vertical line.
Choose an option to check your answer.
The inner rectangle measures 46 m by 26 m, with area 1,196 m².
The full area is 1,500 m², so the path area is 304 m².
Choose an option to check your answer.
The intersection contains elements common to both sets.
Only 3 appears in both A and B.
Choose an option to check your answer.
The union contains every distinct element from either set.
Thus, A ∪ B = {1, 2, 3}.
Choose an option to check your answer.
The complement contains universal-set elements not in A.
Removing 2 and 4 leaves 1, 3, and 5.
Choose an option to check your answer.
Cuboid volume is length × width × height.
Thus, 8 × 5 × 3 = 120 cm³.
Choose an option to check your answer.
Cylinder volume is πr²h.
Thus, π × 9 × 10 = 90π cm³.
Choose an option to check your answer.
Curved surface area is 2πrh.
Thus, 2π × 4 × 7 = 56π cm².
Choose an option to check your answer.
Cone volume is one-third πr²h.
Thus, 1/3 × π × 9 × 12 = 36π cm³.
Choose an option to check your answer.
Sphere volume is 4/3 πr³.
Thus, 4/3 × π × 27 = 36π cm³.
Choose an option to check your answer.
The sum is (n - 2) × 180°.
For n = 5, this is 3 × 180° = 540°.
