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
The height of parallelogram whose area is 35 \({\text{c}}{{\text{m}}^{\text{2}}}\) and altitude 7 cm
  • A
    5 cm
    Correct
  • B
    8 cm
  • C
    6 cm
  • D
    None of these
2
Area of triangle whose base is 15 cm and corresponding altitude is 6 cm will be
  • A
    None of these
  • B
    15 \({\text{c}}{{\text{m}}^{\text{2}}}\)
  • C
    45 \({\text{c}}{{\text{m}}^{\text{2}}}\)
    Correct
  • D
    30 \({\text{c}}{{\text{m}}^{\text{2}}}\)
3
Find the area of a right triangle whose base is 3 cm, perpendicular is 2 cm and hypotenuse is 5 cm.
  • A
    3 \({\text{c}}{{\text{m}}^{\text{2}}}\)
    Correct
  • B
    2 \({\text{c}}{{\text{m}}^{\text{2}}}\)
  • C
    6 \({\text{c}}{{\text{m}}^{\text{2}}}\)
  • D
    None of these
4
What will be the area of circular button of radius 7 cm?
  • A
    144 \({\text{c}}{{\text{m}}^{\text{2}}}\)
  • B
    77 \({\text{c}}{{\text{m}}^{\text{2}}}\)
  • C
    154 \({\text{c}}{{\text{m}}^{\text{2}}}\)
    Correct
  • D
    None of these
5
The circumference of circle whose diameter is 14 cm will be
  • A
    44 cm
    Correct
  • B
    33 cm
  • C
    22 cm
  • D
    11 cm
6
The perimeter of circle is its
  • A
    diameter
  • B
    circumference
    Correct
  • C
    radius
  • D
    area
7
Diameter is __________ .
  • A
    half of radius
  • B
    equal to radius
  • C
    twice of radius
    Correct
  • D
    None of these
8
\(\pi \) (pi) is
  • A
    None of these
  • B
    3.41
  • C
    ratio of circumference to diamter
    Correct
  • D
    \(\frac{{21}}{{17}}\)
9
If the area of circle is 44 \({\text{c}}{{\text{m}}^{\text{2}}}\), the area of shaded portion will be
Question 9 figure 1
  • A
    11 \({\text{c}}{{\text{m}}^{\text{2}}}\)
    Correct
  • B
    44 \({\text{c}}{{\text{m}}^{\text{2}}}\)
  • C
    22 \({\text{c}}{{\text{m}}^{\text{2}}}\)
  • D
    33 \({\text{c}}{{\text{m}}^{\text{2}}}\)
10
The length and breadth of a rectangular field is 10 cm and 6 cm respectively. Find the perimeter of the field.
  • A
    24 cm
  • B
    28 cm
  • C
    20 cm
  • D
    32 cm
    Correct
11
A door frame of dimensions 4m\( \times \) 5m is fixed on the wall of dimension 11m \( \times \) 11m. Find the total labour charges for painting the wall if the labour charges for painting 1 \({{\text{m}}^{\text{2}}}\) of the wall is Rs 2.50.
  • A
    Rs. 300
  • B
    Rs. 252.50
    Correct
  • C
    Rs. 200.50
  • D
    None of these
12
Find the area of a circle of radius 15 cm.
  • A
    695 \({\text{c}}{{\text{m}}^{\text{2}}}\)
  • B
    None of these
  • C
    706.5 \({\text{c}}{{\text{m}}^{\text{2}}}\)
    Correct
  • D
    599.5 \({\text{c}}{{\text{m}}^{\text{2}}}\)
13
If the area of a rectangular plot of land is 440 \({{\text{m}}^{\text{2}}}\) and the length is 22 m. Find its perimeter.
  • A
    48 m
  • B
    72 m
  • C
    84 m
    Correct
  • D
    None of these
14
______ is a quantity expressing the two-dimensional size of a defined part of a surface, typically a region bounded by a closed curve.
  • A
    None of these
  • B
    Volume
  • C
    Area
    Correct
  • D
    Perimeter
15
If we cut a parallelogram along one of its diagonals, we obtain two triangles. These triangles are equal in area because ____________.
  • A
    they are not congruent
  • B
    they are similar
  • C
    they are equal
  • D
    they are congruent
    Correct