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 area of a rectangular sheet is 500 \({\text{c}}{{\text{m}}^{\text{2}}}\). If the length of the sheet is 25 cm, what is its width?
  • A
    20 cm
    Correct
  • B
    10 cm
  • C
    15 cm
  • D
    5 cm
2
If the area of rectangle increases from 2 \({\text{c}}{{\text{m}}^{\text{2}}}\) to 4 \({\text{c}}{{\text{m}}^{\text{2}}}\) the perimeter will
  • A
    None of these
  • B
    increase
    Correct
  • C
    remains same
  • D
    decrease
3
The area of a square whose perimeter is 4 m
  • A
    1 \({{\text{m}}^{\text{2}}}\)
    Correct
  • B
    2 \({{\text{m}}^{\text{2}}}\)
  • C
    3 \({{\text{m}}^{\text{2}}}\)
  • D
    None of these
4
Which figure encloses more area : a square of side 2 cm ; a rectangle of side 3 cm and 2 cm; An equilateral triangle of side 4 cm
  • A
    None of these
  • B
    square
  • C
    triangle
  • D
    rectangle
    Correct
5
The area of rectangle whose length is 15 cm and breadth is 6 m
  • A
    100 \({\text{c}}{{\text{m}}^{\text{2}}}\)
  • B
    80 \({\text{c}}{{\text{m}}^{\text{2}}}\)
  • C
    90 \({\text{c}}{{\text{m}}^{\text{2}}}\)
    Correct
  • D
    70 \({\text{c}}{{\text{m}}^{\text{2}}}\)
6
\(\triangle \)ABC is isosceles in which AE \( \bot \) BC, AE = 6 cm , BC = 9 cm, the area of \(\triangle \)ABC is
  • A
    22.5 \({\text{c}}{{\text{m}}^{\text{2}}}\)
    Correct
  • B
    None of these
  • C
    25 \({\text{c}}{{\text{m}}^{\text{2}}}\)
  • D
    45 \({\text{c}}{{\text{m}}^{\text{2}}}\)
7
The area of parallelogram is
  • A
    base \( \times \) height
    Correct
  • B
    height \( \times \) height
  • C
    base + height
  • D
    base \( \times \) base
8
The base in the area of parallelogram is
  • A
    \(\frac{{area}}{{base}}\)
  • B
    \(\frac{{area}}{{height}}\)
    Correct
  • C
    area \( \times \) height
  • D
    area \( \times \) base
9
The height in the area of parallelogram is
  • A
    area \( \times \) base
  • B
    area \( \times \) height
  • C
    \(\frac{{area}}{{base}}\)
    Correct
  • D
    \(\frac{{area}}{{height}}\)
10
Which of the following has the formula : Base \( \times \) Height
  • A
    area of quadrilateral
  • B
    area of trapezium
  • C
    area of parallelogram
    Correct
  • D
    area of triangle
11
The area of triangle is
  • A
    None of these
  • B
    \(\frac{1}{2} \times \) (base + height)
  • C
    \(\frac{1}{2} \times base \times height\)
    Correct
  • D
    base ´ height
12
The height in the area of a triangle
  • A
    \(\frac{{2 \times area}}{{height}}\)
  • B
    None of these
  • C
    \(\frac{{base}}{{2 \times area}}\)
  • D
    \(\frac{{2 \times area}}{{base}}\)
    Correct
13
Find the area of following triangle:
Question 13 figure 1
  • A
    3 \({\text{c}}{{\text{m}}^{\text{2}}}\)
  • B
    6 \({\text{c}}{{\text{m}}^{\text{2}}}\)
    Correct
  • C
    4 \({\text{c}}{{\text{m}}^{\text{2}}}\)
  • D
    5 \({\text{c}}{{\text{m}}^{\text{2}}}\)
14
A door frame of dimensions 4 m\( \times \) 5 m is fixed on the wall of dimension 11 m \( \times \)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. 300
  • C
    Rs. 252.50
    Correct
  • D
    Rs. 20
15
What is the circumference of a circle of diameter 10cm?
  • A
    30 cm
  • B
    31.4 cm
    Correct
  • C
    None of these
  • D
    35 cm