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Question (11)

QN0033287

A rectangular notebook cover measures 24 cm by 18 cm. What is the numerical difference between its area and perimeter?

(A) 348
(B) 390
(C) 432
(D) 516

Correct Answer: A

Explanation:

Area = 24 × 18 = 432 sq cm; Perimeter = 2(24 + 18) = 84 cm; Difference = 432 – 84 = 348.

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Question (12)

QN0033288

A child arranges 5 rows of square patches with 8 patches in each row. How many patches are used?

(A) 13
(B) 30
(C) 40
(D) 45

Correct Answer: C

Explanation:

Number of patches = Rows × Patches per row = 5 × 8 = 40.

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Question (13)

QN0033289

Which of the following always increases when both length and breadth of a rectangle are increased?

(A) Only perimeter
(B) Only area
(C) Both area and perimeter
(D) Neither area nor perimeter

Correct Answer: C

Explanation:

Increasing both length and breadth always increases both area and perimeter.

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Question (14)

QN0033290

A square and a rectangle both have an area of 36 sq cm. Which statement is correct?

(A) Their perimeters must be equal
(B) Their areas are equal but perimeters may differ
(C) Their side lengths must be equal
(D) Both must be squares

Correct Answer: B

Explanation:

Different shapes can have the same area but different perimeters.

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Question (15)

QN0033291

The perimeter of a rectangle is 50 cm. Its length is 15 cm. What is its breadth?

(A) 5 cm
(B) 10 cm
(C) 15 cm
(D) 20 cm

Correct Answer: B

Explanation:

2(L + B) = 50 ⇒ L + B = 25 ⇒ Breadth = 25 – 15 = 10 cm.

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Question (16)

QN0033292

A square patchwork contains 64 equal square patches arranged in rows and columns. How many patches are there in each row?

(A) 6
(B) 7
(C) 8
(D) 9

Correct Answer: C

Explanation:

Since 8 × 8 = 64, there are 8 patches in each row.

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Question (17)

QN0033293

Which shape among the following can have the same perimeter as another shape but a different area?

(A) Only squares
(B) Only rectangles
(C) Any two different shapes
(D) None of these

Correct Answer: C

Explanation:

Different shapes may have the same perimeter but different areas.

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Question (18)

QN0033294

A rectangular field is 25 m long and has an area of 500 sq m. What is its breadth?

(A) 10 m
(B) 15 m
(C) 20 m
(D) 25 m

Correct Answer: C

Explanation:

Breadth = Area ÷ Length = 500 ÷ 25 = 20 m.

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Question (19)

QN0033295

A square tile has side 4 cm. How many such tiles are needed to cover a floor of area 144 sq cm without cutting any tile?

(A) 6
(B) 8
(C) 9
(D) 12

Correct Answer: C

Explanation:

Area of one tile = 4 × 4 = 16 sq cm. Number of tiles = 144 ÷ 16 = 9.

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Question (20)

QN0033296

A student says, “If two figures have the same area, then their perimeters are also equal.” This statement is

(A) Always true
(B) Always false
(C) Sometimes true, sometimes false
(D) True only for squares

Correct Answer: C

Explanation:

Figures with the same area may have different perimeters, though some can also have equal perimeters.

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Question (11)

A rectangular notebook cover measures 24 cm by 18 cm. What is the numerical difference between its area and perimeter?

Explanation:

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Question (12)

A child arranges 5 rows of square patches with 8 patches in each row. How many patches are used?

Explanation:

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Question (13)

Which of the following always increases when both length and breadth of a rectangle are increased?

Explanation:

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Question (14)

A square and a rectangle both have an area of 36 sq cm. Which statement is correct?

Explanation:

Link:

Question (15)

The perimeter of a rectangle is 50 cm. Its length is 15 cm. What is its breadth?

Explanation:

Link:

Question (16)

A square patchwork contains 64 equal square patches arranged in rows and columns. How many patches are there in each row?

Explanation:

Link:

Question (17)

Which shape among the following can have the same perimeter as another shape but a different area?

Explanation:

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Question (18)

A rectangular field is 25 m long and has an area of 500 sq m. What is its breadth?

Explanation:

Link:

Question (19)

A square tile has side 4 cm. How many such tiles are needed to cover a floor of area 144 sq cm without cutting any tile?

Explanation:

Link:

Question (20)

A student says, “If two figures have the same area, then their perimeters are also equal.” This statement is

Explanation:

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