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Question (21)

QN0033267

Which shape will cover a surface without leaving gaps?

(A) Circle
(B) Square tiles
(C) Curved line
(D) Open figure

Correct Answer: B

Explanation:

Square tiles fit perfectly

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Question (22)

QN0033268

A rectangle has length 7 cm and breadth 5 cm. Area is:

(A) 12 sq cm
(B) 35 sq cm
(C) 24 sq cm
(D) 25 sq cm

Correct Answer: B

Explanation:

Area = 7×5 = 35 sq cm

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Question (23)

QN0033269

If perimeter increases, area will always increase. This is:

(A) Always true
(B) Always false
(C) Sometimes true
(D) Not related

Correct Answer: C

Explanation:

Not a fixed relation

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Question (24)

QN0033270

A shape made by joining unit squares is measured in:

(A) cm
(B) square units
(C) litres
(D) grams

Correct Answer: B

Explanation:

Measured in square units

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Question (25)

QN0033271

A square has perimeter 20 cm. Its side is:

(A) 2 cm
(B) 4 cm
(C) 5 cm
(D) 10 cm

Correct Answer: C

Explanation:

Side = 20÷4 = 5 cm

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Question (26)

QN0033272

Which of the following shapes has fixed area when side length is fixed?

(A) Square
(B) Rectangle with varying sides
(C) Circle only
(D) Triangle only

Correct Answer: A

Explanation:

Square has fixed relation

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Question (27)

QN0033273

A rectangle has area 30 sq cm. Which pair could be its dimensions?

(A) 5 cm × 6 cm
(B) 3 cm × 3 cm
(C) 10 cm × 10 cm
(D) 2 cm × 12 cm

Correct Answer: A

Explanation:

5×6 = 30 sq cm

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Question (28)

QN0033274

The unit for measuring perimeter is:

(A) Square units
(B) Cubic units
(C) Linear units (cm, m)
(D) Square cm only

Correct Answer: C

Explanation:

Perimeter is length measurement

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Question (29)

QN0033275

A square grid is mainly used to find:

(A) Weight
(B) Area
(C) Time
(D) Temperature

Correct Answer: B

Explanation:

Grid helps in area counting

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Question (30)

QN0033276

A rectangle of 4 cm × 4 cm is also a:

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

Correct Answer: B

Explanation:

Equal sides form square

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Question (21)

Which shape will cover a surface without leaving gaps?

Explanation:

Link:

Question (22)

A rectangle has length 7 cm and breadth 5 cm. Area is:

Explanation:

Link:

Question (23)

If perimeter increases, area will always increase. This is:

Explanation:

Link:

Question (24)

A shape made by joining unit squares is measured in:

Explanation:

Link:

Question (25)

A square has perimeter 20 cm. Its side is:

Explanation:

Link:

Question (26)

Which of the following shapes has fixed area when side length is fixed?

Explanation:

Link:

Question (27)

A rectangle has area 30 sq cm. Which pair could be its dimensions?

Explanation:

Link:

Question (28)

The unit for measuring perimeter is:

Explanation:

Link:

Question (29)

A square grid is mainly used to find:

Explanation:

Link:

Question (30)

A rectangle of 4 cm × 4 cm is also a:

Explanation:

Link:

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