Perimeter and Area Test

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Perimeter and Area Test - 1

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Weekly Quiz Competition

Question 1
1 / -0

What is the circumference of a circle of diameter 10cm?

A
31.4 cm

B
30 cm

C
35 cm

D
None of these

Solution

Explanation:

Circumference of a circle is π×diameter where π = 3.14
Question 2
1 / -0

A door frame of dimensions 4 m× 5 m is fixed on the wall of dimension 11 m ×11 m. Find the total labour charges for painting the wall if the labour charges for painting 1m² of the wall is Rs 2.50.

A
Rs. 350

B
Rs. 252.50

C
Rs. 20

D
Rs. 300

Solution

Explanation:

The area of the wall to be painted is got by subtracting the area of the door frame from the area of the whole wall.

The charges are got by multiplying the area of the wall to be painted by the charges per m²
Question 3
1 / -0

Which of the following has the formula : Base × Height

A
area of parallelogram

B
area of quadrilateral

C
area of triangle

D
area of trapezium

Solution

Explanation:

Area of a parallelogram is very similar to area of a rectangle because area of a rectangle is length×breadth, breadth in case of a parallelogram is height.
Question 4
1 / -0

The area of a parallelogram is

A
height × height

B
base + height

C
base × base

D
base × height

Solution

Explanation:

A parallelogram is just like a rectangle so it's area is b×h
Question 5
1 / -0

△ABC is an isosceles in which AE ⊥ BC, AE = 6 cm , BC = 9 cm, the area of △ABC is

A
None of these

B
25 cm²

C
27 cm²

D
45 cm²

Solution

Explanation:

Area of an isosceles triangle is 1/2 x base×height

here BC is base and AE is height.

Area = (1/2) x 9 x 6 = 27 cm²
Question 6
1 / -0

The area of a rectangle whose length is 15 cm and breadth is 6cm is

A
70 cm²

B
80 cm²

C
90 cm²

D
100 cm²

Solution

Explanation:

Area of a rectangle is l×b = 15x 6 = 90 cm²
Question 7
1 / -0

Which figure encloses more area : a square of side 2 cm ; a rectangle of side 3 cm and 2 cm

A
square

B
Triangle

C
rectangle

D
None of these

Solution

Explanation:

Area of square s×s = 4cm² and area of rectangle l×b= 6cm²
Question 8
1 / -0

The area of a square whose perimeter is 4 m

A
None of these

B
1 m²

C
3 m²

D
2 m²

Solution

Explanation:

Perimeter is sum of all sides so side should be 1 as 4/4 = 1 and

area is = side x side = 1x1 = 1 m²
Question 9
1 / -0

If the area of rectangle increases from 2 cm² to 4 cm² the perimeter will

A
decrease

B
remains same

C
None of these

D
increase

Solution

Explanation:

Area of rectangle is l x b so if area increases either length or breadth has increased so perimeter has to increase

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Perimeter and Area Test - 1

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Perimeter and Area Test - 1

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SHARING IS CARING

Question 1

31.4 cm

30 cm

35 cm

None of these

Solution

Question 2

Rs. 350

Rs. 252.50

Rs. 20

Rs. 300

Solution

Question 3

area of parallelogram

area of quadrilateral

area of triangle

area of trapezium

Solution

Question 4

height × height

base + height

base × base

base × height

Solution

Question 5

None of these

25 cm2

27 cm2

45 cm2

Solution

Question 6

70 cm2

80 cm2

90 cm2

100 cm2

Solution

Question 7

square

Triangle

rectangle

None of these

Solution

Question 8

None of these

1 m2

3 m2

2 m2

Solution

Question 9

decrease

remains same

None of these

increase

Solution

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25 cm²

27 cm²

45 cm²

70 cm²

80 cm²

90 cm²

100 cm²

1 m²

3 m²

2 m²