10 Question MCQ (including Assertion)

Question 1 of 10

The displayed 10 m by 8 m region has a 4 m by 3 m corner removed. What is its area?

L-shaped region

A 56 m² B 72 m² C 68 m² D 92 m²

Select one option. Answers are shown after the test.

Question 2 of 10

Assertion (A): Attaching one unit square along one full side raises a shape’s perimeter by 2 units.
Reason (R): A 5 cm by 3 cm rectangle has perimeter 16 cm.

A Both A and R are true, and R is the correct explanation of A. B Both A and R are true, but R is not the correct explanation of A. C A is true, but R is false. D A is false, but R is true.

Select one option. Answers are shown after the test.

Question 3 of 10

A notice board is 8 m long and 3 m wide. What area does it cover?

A 22 m² B 24 m² C 11 m² D 48 m²

Select one option. Answers are shown after the test.

Question 4 of 10

Assertion (A): A triangle with base 14 cm and perpendicular height 8 cm has area 56 cm².
Reason (R): Its area is found by \(14×8\) without halving.

Base and perpendicular height

A Both A and R are true, and R is the correct explanation of A. B Both A and R are true, but R is not the correct explanation of A. C A is true, but R is false. D A is false, but R is true.

Select one option. Answers are shown after the test.

Question 5 of 10

Assertion (A): An equilateral triangle of side 9 cm has perimeter 27 cm.
Reason (R): It has three equal sides, so \(3×9=27\) cm.

A Both A and R are true, and R is the correct explanation of A. B Both A and R are true, but R is not the correct explanation of A. C A is true, but R is false. D A is false, but R is true.

Select one option. Answers are shown after the test.

Question 6 of 10

Assertion (A): A square of side 7 cm has perimeter 28 cm.
Reason (R): The perimeter of a square is found by multiplying its side by itself.

A Both A and R are true, and R is the correct explanation of A. B Both A and R are true, but R is not the correct explanation of A. C A is true, but R is false. D A is false, but R is true.

Select one option. Answers are shown after the test.

Question 7 of 10

Assertion (A): A garden’s boundary length can be measured in metres.
Reason (R): The area of a tile can be measured in square centimetres.

A Both A and R are true, and R is the correct explanation of A. B Both A and R are true, but R is not the correct explanation of A. C A is true, but R is false. D A is false, but R is true.

Select one option. Answers are shown after the test.

Question 8 of 10

Assertion (A): A triangle with sides 5 cm, 6 cm and 8 cm has perimeter 20 cm.
Reason (R): Its three sides total \(5+6+8=19\) cm.

Triangle side lengths

A Both A and R are true, and R is the correct explanation of A. B Both A and R are true, but R is not the correct explanation of A. C A is true, but R is false. D A is false, but R is true.

Select one option. Answers are shown after the test.

Question 9 of 10

Assertion (A): A rectangle of area 72 cm² and length 9 cm has width 8 cm.
Reason (R): A square of perimeter 40 cm has side 10 cm.

A Both A and R are true, and R is the correct explanation of A. B Both A and R are true, but R is not the correct explanation of A. C A is true, but R is false. D A is false, but R is true.

Select one option. Answers are shown after the test.

Question 10 of 10

A square has perimeter 36 cm. What is the length of one side?

A 6 cm B 18 cm C 9 cm D 144 cm

Select one option. Answers are shown after the test.

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10 Question MCQ (including Assertion)