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Question (11)

QN0019542

A square of area 150 cm² is halved. What is the area of the resulting square?

(A) 50 cm²
(B) 60 cm²
(C) 75 cm²
(D) 90 cm²

Correct Answer: C

Explanation:

150 ÷ 2 = 75 cm².

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Question (12)

QN0019543

If the side length of a square is halved, its area becomes:

(A) Half
(B) Double
(C) One-fourth
(D) Four times

Correct Answer: C

Explanation:

Area depends on the square of the side length.

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Question (13)

QN0019544

A square of area 200 cm² is converted into a half-area square. The new area is:

(A) 80 cm²
(B) 90 cm²
(C) 100 cm²
(D) 120 cm²

Correct Answer: C

Explanation:

200 ÷ 2 = 100 cm².

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Question (14)

QN0019545

The half-area square inside a larger square is generally drawn as:

(A) Parallel to the sides
(B) Tilted with respect to the sides
(C) Circular in shape
(D) Outside the square

Correct Answer: B

Explanation:

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Question (15)

QN0019546

If a square has area A, the area of the half-area square is:

(A) A/4
(B) A/3
(C) A/2
(D) 2A

Correct Answer: C

Explanation:

The area is exactly half of the original square.

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Question (16)

QN0019547

A square has area 18 cm². What is the area of its half-area square?

(A) 6 cm²
(B) 9 cm²
(C) 12 cm²
(D) 15 cm²

Correct Answer: B

Explanation:

18 ÷ 2 = 9 cm².

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Question (17)

QN0019548

How many identical half-area squares are needed to cover the original square completely?

(A) 1
(B) 2
(C) 3
(D) 4

Correct Answer: B

Explanation:

Two such squares together make the original area.

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Question (18)

QN0019549

The construction of halving a square is obtained by:

(A) Rotating the square
(B) Reversing the doubling construction
(C) Increasing the side length
(D) Folding diagonally only

Correct Answer: B

Explanation:

Halving reverses the doubling process.

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Question (19)

QN0019550

A square of area 250 cm² is halved. The resulting square has area:

(A) 100 cm²
(B) 115 cm²
(C) 125 cm²
(D) 150 cm²

Correct Answer: C

Explanation:

250 ÷ 2 = 125 cm².

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Question (20)

QN0019551

Why does a square with half the side length not have half the area?

(A) Area depends on perimeter
(B) Area depends on the square of the side length
(C) Area depends on angles
(D) Area is independent of side length

Correct Answer: B

Explanation:

Since area = side², halving the side gives one-fourth the area.

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Question (11)

A square of area 150 cm² is halved. What is the area of the resulting square?

Explanation:

Link:

Question (12)

If the side length of a square is halved, its area becomes:

Explanation:

Link:

Question (13)

A square of area 200 cm² is converted into a half-area square. The new area is:

Explanation:

Link:

Question (14)

The half-area square inside a larger square is generally drawn as:

Explanation:

Link:

Question (15)

If a square has area A, the area of the half-area square is:

Explanation:

Link:

Question (16)

A square has area 18 cm². What is the area of its half-area square?

Explanation:

Link:

Question (17)

How many identical half-area squares are needed to cover the original square completely?

Explanation:

Link:

Question (18)

The construction of halving a square is obtained by:

Explanation:

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Question (19)

A square of area 250 cm² is halved. The resulting square has area:

Explanation:

Link:

Question (20)

Why does a square with half the side length not have half the area?

Explanation:

Link:

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