CBSE Questions for Class 7 Maths Perimeter And Area Quiz 2 - MCQExams.com

The radius of a circle whose area is equal to the sum of the areas of two circles of radii 5 cm and 12 cm is
  • 13 cm
  • 14 cm
  • 15 cm
  • 17 cm
The radius of a circle is increased by 1 cm. Then the ratio of new circumference to the new diameter is
  • $$\pi :3$$
  • $$\pi :2$$
  • $$\pi :1$$
  • $$\pi :\frac { 1 }{ 2 } $$
If the perimeter and area of a circle are numerically equal then the radius of the circle is 
  • $$6$$ units
  • $$\displaystyle \pi $$ units
  • $$4$$ units
  • $$2$$ units
From a square metal sheet of side $$28\;cm$$, a circular sheet is cut off. Find the radius of the largest possible circular sheet that can be cut. Also find the area of the remaining sheet.
  • $$14\;cm,\;148\;cm^2$$.
  • $$14\;cm,\;168\;cm^2$$.
  • $$12\;cm,\;168\;cm^2$$.
  • $$14\;cm,\;164\;cm^2$$.
The difference in the area of a square of perimeter $$88$$ m and a circle with same circumference is
  • 166 $$\displaystyle cm^{2}$$
  • 122 $$\displaystyle cm^{2}$$
  • 133 $$\displaystyle cm^{2}$$
  • 132 $$\displaystyle cm^{2}$$
The ratio of the outer and inner circumferences of a circular path is $$23:22$$, If the path is $$5\ m$$ wide, the radius of the inner circle is: 
  • $$55\ m$$
  • $$110\ m$$
  • $$220\ m$$
  • $$230\ m$$
The radius of a circle whose area is equal to the sum of the areas of two circles of radii 3 cm and 4 cm is
  • 5 cm
  • 5.5 cm
  • 5.8 cm
  • 6 cm
Area of a square 625 sq m. Then the measure of its side is
  • $$15$$ m
  • $$25$$ m
  • $$20$$ m
  • $$24$$ m
The radius of a circle whose area is equal to the sum of the areas of two circles of radii are  5 cm and 12 cm is
  • 13 cm
  • 14 cm
  • 15 cm
  • none
Find the perimeter of a circle whose radius is 7 cm (in cm)

  • $$\displaystyle 12\pi $$
  • $$\displaystyle 14\pi $$
  • $$\displaystyle 16\pi $$
  • $$\displaystyle 10\pi $$
If the area of the circle be $$ \displaystyle 154 \text{ cm}^{2},$$ then its radius is equal to:
  • $$12\text{ cm}$$ 
  • $$8\text{ cm}$$ 
  • $$7\text{ cm}$$ 
  • None of these
If the circumference of a circle be $$8.8 \text{ m}$$ then its radius is equal to -
  • $$1.60 \text{ m}$$ (approx)
  • $$1.61 \text{ m}$$ (approx)
  • $$1.40 \text{ m}$$ (approx)
  • None of these
If the radius of a circle be $$r$$ $$ cm$$, then its area will be equal to-
  • $$ \displaystyle 2\pi r^{2}cm^{2} $$
  • $$ \displaystyle \pi r^{2}cm^2  $$
  • $$ \displaystyle 2\pi rcm^{2} $$
  • None of these
What is the circumference of a circle whose radius is 8 cm?
  • $$ \displaystyle 8 \pi $$
  • $$ \displaystyle 16\pi $$
  • $$ \displaystyle 61 \pi $$
  • $$ \displaystyle 24 \pi $$
The radius of a circle is increased by $$5$$ units. What is ratio of the new circumference and the new diameter?
  • $$x-5$$
  • $$\pi +5$$
  • $$\pi$$
  • $$\pi -1$$
If circumference of a circle is $$\displaystyle 3\pi $$, then its area is
  • $$\displaystyle \frac{7\pi }{2}$$
  • $$\displaystyle 9\pi ^{2}$$
  • $$\displaystyle 4\pi ^{2}$$
  • $$\displaystyle \frac{9\pi }{4}$$
$$ \displaystyle \frac{1}{5}\, of\,10 km=   $$ _____m
  • 2
  • 200
  • 20
  • 2000
A wall is made up of square bricks of unit length. Then its area is _____

416008.bmp
  • 1 sq unit
  • 3 sq units
  • 20 sq units
  • 24 sq units
A figure is formed by putting two squares one on the other as shown below. If the length of each side of the two squares is $$8$$ cm, then the perimeter of the formed figure is

416027.bmp
  • $$56$$ cm
  • $$64$$ cm
  • $$32$$ cm
  • $$48$$ cm
The total boundary length of circle is called
  • area
  • volume
  • circumference
  • diameter
Area of a rectangle is $$120 $$ $$m^2$$ and the breadth is $$5 m$$ . Then its length is
  • $$204 m$$
  • $$24 m$$
  • $$28 m$$
  • $$26 m$$
Circumference of a circle is equal to
  • $$\displaystyle \pi r$$
  • $$2\displaystyle \pi r$$
  • $$\displaystyle \frac{\pi r}{2}$$
  • $$\displaystyle 2+\frac{\pi r}{2}r$$
The circumference of a circle is called 
  • chord
  • segment
  • boundary
  • None
If the radius of a circle is $$\dfrac{7}{\sqrt{\pi}}$$, what is the area of the circle (in $$cm^2$$)?
  • $$154$$
  • $$\dfrac{49}{\pi}$$
  • $$22$$
  • $$49$$
Find the area of the triangle shown in figure.
537418.PNG
  • $$20$$
  • $$30$$
  • $$35$$
  • $$40$$
The ______ of a circle is called the circumference.
  • area
  • volume
  • perimeter
  • radius
The distance, once around the circle is called
  • diameter
  • center
  • circumference
  • chord
The circumference of the circle is the boundary of t he
  • perimeter
  • radius
  • diameter
  • circle
The circumference of the circle is calculated by the formula
  • $$4\pi r$$
  • $$2\pi r^2$$
  • $$3\pi r$$
  • none of these
The dotted line represents the

471708.PNG
  • center
  • diameter
  • circumference
  • chord
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