Class 7 Perimeter And Area CBSE Questions & Answers

Class 7 · Perimeter And Area

This is Mathematics Class 7 Perimeter and Area CBSE Questions & Answers. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
Area of a square = __________
  • A
    length \( \times \) breadth
  • B
    4 \( \times \) side
  • C
    None of these
  • D
    side \( \times \) side
    Correct
2
50 \({\text{c}}{{\text{m}}^{\text{2}}} = {\text{ }}\_\_\_\_\_\_\_{\text{ m}}{{\text{m}}^{\text{2}}}\)
  • A
    None of these
  • B
    5000
    Correct
  • C
    1000
  • D
    2000
3
In the following figure, find the area of shaded portion:
Question 3 figure 1
  • A
    100 \({\text{c}}{{\text{m}}^{\text{2}}}\)
  • B
    110 \({\text{c}}{{\text{m}}^{\text{2}}}\)
    Correct
  • C
    150 \({\text{c}}{{\text{m}}^{\text{2}}}\)
  • D
    None of these
4
Find the area of the rectangle and of its congruent parts shown in the figure:
Question 4 figure 1
  • A
    28 \({\text{c}}{{\text{m}}^{\text{2}}}\)
    Correct
  • B
    20 \({\text{c}}{{\text{m}}^{\text{2}}}\)
  • C
    30 \({\text{c}}{{\text{m}}^{\text{2}}}\)
  • D
    None of these
5
A rectangular garden is 65 long and 50 cm wide. Two cross paths each 2 m wide are to be constructed parallel to the sides. If these paths pass through the centre of the garden, find the cost of constructing the paths at the rate Rs 69 per \({{\text{m}}^{\text{2}}}\).
Question 5 figure 1
  • A
    Rs 15000
  • B
    Rs 15594
    Correct
  • C
    None of these
  • D
    Rs 16000
6
A door-frame of dimensions 3 m \( \times \) 2 m is fixed on the wall of dimension 10 m \( \times \) 10 m. Find the total labour charges for painting the wall if the labour charges for painting 1 m2 of the wall is Rs 2.50.
  • A
    Rs 235
    Correct
  • B
    Rs 220
  • C
    Rs 270
  • D
    Rs 250
7
The area of a rectangular sheet is 500 \({\text{c}}{{\text{m}}^{\text{2}}}\). If the length of the sheet is 25 cm, find the perimeter of the rectangular sheet.
  • A
    100 cm
  • B
    None of these
  • C
    80 cm
  • D
    90 cm
    Correct
8
Anu wants to fence the garden in front of her house, on three sides with lengths 20 m, 12 m and 12 m. Find the cost of fencing at the rate of Rs 150 per metre.
  • A
    Rs 8000
  • B
    None of these
  • C
    Rs 7100
  • D
    Rs 8100
    Correct
9
One of the sides and the corresponding height of a parallelogram are 4 cm and 3 cm respectively. Find the area of the parallelogram.
  • A
    14 \({\text{c}}{{\text{m}}^{\text{2}}}\)
  • B
    None of these
  • C
    10 \({\text{c}}{{\text{m}}^{\text{2}}}\)
  • D
    12 \({\text{c}}{{\text{m}}^{\text{2}}}\)
    Correct
10
Find BC, if the area of the triangle ABC is 36 \({\text{c}}{{\text{m}}^{\text{2}}}\) and the height AD is 3 cm.
  • A
    16 cm
  • B
    10 cm
  • C
    14 cm
  • D
    12 cm
    Correct
11
What is the circumference of a circle of diameter 10 cm (Take\(\pi {\text{ = 3}}{\text{.14}}\))?
  • A
    None of these
  • B
    3.14 cm
  • C
    31.4 cm
    Correct
  • D
    314 cm
12
What is the circumference of a circular disc of radius 14 cm?
  • A
    22 cm
  • B
    11 cm
  • C
    44 cm
  • D
    88 cm
    Correct
13
The radius of a circular pipe is 10 cm. What length of a tape is required to wrap once around the pipe (\(\pi {\text{ = 3}}{\text{.14}}\))?
  • A
    None of these
  • B
    31.4 cm
  • C
    63.2 cm
  • D
    62.8 cm
    Correct
14
Find the area of a circle of radius 30 cm (use\(\pi {\text{ = 3}}{\text{.14}}\)).
  • A
    3000 \({\text{c}}{{\text{m}}^{\text{2}}}\)
  • B
    None of these
  • C
    2000 \({\text{c}}{{\text{m}}^{\text{2}}}\)
  • D
    2826 \({\text{c}}{{\text{m}}^{\text{2}}}\)
    Correct
15
Diameter of a circular garden is 9.8 m. Find its area.
  • A
    25.46 \({\text{c}}{{\text{m}}^{\text{2}}}\)
  • B
    55.46 \({\text{c}}{{\text{m}}^{\text{2}}}\)
  • C
    None of these
  • D
    75.46 \({\text{c}}{{\text{m}}^{\text{2}}}\)
    Correct