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Question (1)

QN0033277

A square quilt has a perimeter of 36 cm. What is the length of each side of the quilt?

(A) 6 cm
(B) 9 cm
(C) 12 cm
(D) 18 cm

Correct Answer: B

Explanation:

Side of a square = Perimeter ÷ 4 = 36 ÷ 4 = 9 cm.

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Question (2)

QN0033278

A rectangular mat is 12 cm long and 8 cm wide. If lace is stitched around its border, how much lace is needed?

(A) 20 cm
(B) 40 cm
(C) 96 cm
(D) 48 cm

Correct Answer: B

Explanation:

Perimeter of rectangle = 2 × (12 + 8) = 40 cm.

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Question (3)

QN0033279

Which of the following shapes cannot completely cover a flat surface without gaps or overlaps when used alone?

(A) Square
(B) Rectangle
(C) Triangle
(D) Circle

Correct Answer: D

Explanation:

Circles cannot tile a surface completely because they leave gaps.

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Question (4)

QN0033280

A desk is completely covered using 30 square tiles, each of side 1 unit. What is the area of the desk?

(A) 15 square units
(B) 30 square units
(C) 31 square units
(D) 60 square units

Correct Answer: B

Explanation:

Area is equal to the number of unit tiles used = 30 square units.

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Question (5)

QN0033281

Two rectangles have dimensions 8 cm × 4 cm and 10 cm × 3 cm. Which statement is correct?

(A) First rectangle has larger area
(B) Second rectangle has larger area
(C) Both have equal area
(D) Both have equal perimeter

Correct Answer: A

Explanation:

Areas are 8 × 4 = 32 sq cm and 10 × 3 = 30 sq cm. Hence, the first rectangle has a larger area.

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Question (6)

QN0033282

A square floor has side length 7 m. What is its area?

(A) 14 sq m
(B) 28 sq m
(C) 49 sq m
(D) 56 sq m

Correct Answer: C

Explanation:

Area of square = Side × Side = 7 × 7 = 49 sq m.

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Question (7)

QN0033283

The perimeter of a square playground is 48 m. What is its area?

(A) 96 sq m
(B) 144 sq m
(C) 196 sq m
(D) 256 sq m

Correct Answer: B

Explanation:

Side = 48 ÷ 4 = 12 m. Area = 12 × 12 = 144 sq m.

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Question (8)

QN0033284

A rectangle has length 15 cm and breadth 9 cm. If the length is increased by 5 cm while breadth remains the same, how much does the area increase?

(A) 45 sq cm
(B) 50 sq cm
(C) 60 sq cm
(D) 75 sq cm

Correct Answer: A

Explanation:

Increase in area = Increase in length × Breadth = 5 × 9 = 45 sq cm.

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Question (9)

QN0033285

A rectangular garden has an area of 72 square m and length 12 m. What is its breadth?

(A) 5 m
(B) 6 m
(C) 7 m
(D) 8 m

Correct Answer: B

Explanation:

Breadth = Area ÷ Length = 72 ÷ 12 = 6 m.

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Question (10)

QN0033286

Two different shapes are made using exactly 20 unit squares each. Which statement must be true?

(A) Their perimeters are equal
(B) Their areas are equal
(C) Both are squares
(D) Their lengths are equal

Correct Answer: B

Explanation:

Same number of unit squares means both shapes have the same area.

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Question (1)

A square quilt has a perimeter of 36 cm. What is the length of each side of the quilt?

Explanation:

Link:

Question (2)

A rectangular mat is 12 cm long and 8 cm wide. If lace is stitched around its border, how much lace is needed?

Explanation:

Link:

Question (3)

Which of the following shapes cannot completely cover a flat surface without gaps or overlaps when used alone?

Explanation:

Link:

Question (4)

A desk is completely covered using 30 square tiles, each of side 1 unit. What is the area of the desk?

Explanation:

Link:

Question (5)

Two rectangles have dimensions 8 cm × 4 cm and 10 cm × 3 cm. Which statement is correct?

Explanation:

Link:

Question (6)

A square floor has side length 7 m. What is its area?

Explanation:

Link:

Question (7)

The perimeter of a square playground is 48 m. What is its area?

Explanation:

Link:

Question (8)

A rectangle has length 15 cm and breadth 9 cm. If the length is increased by 5 cm while breadth remains the same, how much does the area increase?

Explanation:

Link:

Question (9)

A rectangular garden has an area of 72 square m and length 12 m. What is its breadth?

Explanation:

Link:

Question (10)

Two different shapes are made using exactly 20 unit squares each. Which statement must be true?

Explanation:

Link:

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