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Question (11)

QN0033257

If two rectangles have same area, they always have same perimeter. This is:

(A) Always true
(B) Always false
(C) Sometimes true
(D) Cannot be determined

Correct Answer: C

Explanation:

Different shapes can change perimeter

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Question (12)

QN0033258

A rectangle has length 10 cm and breadth 2 cm. Perimeter is:

(A) 12 cm
(B) 20 cm
(C) 24 cm
(D) 22 cm

Correct Answer: C

Explanation:

Perimeter = 2(10+2)=24 cm

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Question (13)

QN0033259

Which unit is suitable for measuring area of a classroom floor?

(A) cm
(B) cm²
(C) kg
(D) litre

Correct Answer: B

Explanation:

Area is measured in square units

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Question (14)

QN0033260

A shape made of equal unit squares has 6 squares. Its area is:

(A) 6 unit squares
(B) 12 unit squares
(C) 3 unit squares
(D) 1 unit square

Correct Answer: A

Explanation:

Area = number of unit squares

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Question (15)

QN0033261

Increasing the length of a rectangle while keeping breadth same will:

(A) Decrease area
(B) Increase area
(C) Not change area
(D) Make area zero

Correct Answer: B

Explanation:

Area increases with length

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Question (16)

QN0033262

A square and a rectangle can have the same area if:

(A) They have same shape
(B) Their dimensions differ but product matches
(C) Both are circles
(D) Both have same perimeter only

Correct Answer: B

Explanation:

Equal product of sides gives same area

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Question (17)

QN0033263

A rectangle has area 24 sq cm and length 6 cm. Breadth is:

(A) 2 cm
(B) 3 cm
(C) 4 cm
(D) 6 cm

Correct Answer: C

Explanation:

Breadth = 24÷6 = 4 cm

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Question (18)

QN0033264

Which of these cannot be measured by area?

(A) Book cover
(B) Blackboard
(C) Length of rope
(D) Floor surface

Correct Answer: C

Explanation:

Rope is measured in length

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Question (19)

QN0033265

A square tile of side 1 unit has area:

(A) 2 unit square
(B) 1 unit square
(C) 4 unit square
(D) 0 unit square

Correct Answer: B

Explanation:

Area = 1×1 = 1

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Question (20)

QN0033266

A rectangle has same length and breadth. It becomes a:

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

Correct Answer: B

Explanation:

Equal sides form a square

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Question (11)

If two rectangles have same area, they always have same perimeter. This is:

Explanation:

Link:

Question (12)

A rectangle has length 10 cm and breadth 2 cm. Perimeter is:

Explanation:

Link:

Question (13)

Which unit is suitable for measuring area of a classroom floor?

Explanation:

Link:

Question (14)

A shape made of equal unit squares has 6 squares. Its area is:

Explanation:

Link:

Question (15)

Increasing the length of a rectangle while keeping breadth same will:

Explanation:

Link:

Question (16)

A square and a rectangle can have the same area if:

Explanation:

Link:

Question (17)

A rectangle has area 24 sq cm and length 6 cm. Breadth is:

Explanation:

Link:

Question (18)

Which of these cannot be measured by area?

Explanation:

Link:

Question (19)

A square tile of side 1 unit has area:

Explanation:

Link:

Question (20)

A rectangle has same length and breadth. It becomes a:

Explanation:

Link:

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