CBSE Questions for Class 7 Maths Perimeter And Area Quiz 9 - MCQExams.com

Take a circle with radius $$5$$ m, then determine the area of given circle with suitable units.
  • $$78.53\ m$$
  • $$78.53\ m^{2}$$
  • $$78.53\ cm$$
  • $$78.53\ cm^{2}$$
Find the circumference of a circle whose radius is-
$$35\ cm$$
  • $$220\ cm$$ 
  • $$20\ cm$$ 
  • $$22\ cm$$ 
  • None of these
If the area of a semicircle is 84 cm$$^2$$, then the area of the circle is ....................... 
  • 144 cm$$^2$$
  • 42 cm$$^2$$
  • 168 cm$$^2$$
  • 288 cm$$^2$$
Calculate perimeter of a right angled triangle whose non-hypotenuse sides are $$6$$ cm and $$8$$ cm.
  • $$18\ cm$$
  • $$14\ cm$$
  • $$24\ cm$$
  • $$11\ cm$$
In a parallelogram the base and height are is in the ratio of $$5 : 2$$. If the area of the parallelogram is $$360\ m^{2}$$, find its base and height.
  • $$30\ m, 12\ m$$.
  • $$20\ m, 12\ m$$.
  • $$30\ m, 10\ m$$.
  • None of these
In the given figure, each square contains four square grid of equal dimensions. Then calculate the area of the given figure.
636402_fb3a59f55dab476ea8ff7302ae538625.png
  • $$16\ cm^{2}$$
  • $$20\ cm^{2}$$
  • $$24\ cm^{2}$$
  • $$28\ cm^{2}$$
In Figure $$ABCD$$ is a square then find the area of the shaded region.
703311_936cada6812241f7b69e945563f9013f.png
  • $$800\ cm^{2}$$.
  • $$600\ cm^{2}$$.
  • $$200\ cm^{2}$$.
  • None of these
If the circumference of a circle is $$264\ cm$$, find its radius. Take $$\pi = \dfrac {22}{7}$$.
  • $$42\ cm$$.
  • $$22\ cm$$.
  • $$32\ cm$$.
  • None of these
Rohit's family is planning to build a concrete basketball court in their backyard. How many square metres will be left in the backyard for grass?
722870_06b01343d13449f5bb90b33c2253fb34.png
  • $$60$$ sq. cm
  • $$35$$ sq. cm
  • $$31$$ sq. cm
  • $$24$$ sq. cm
Perimeter of circle is known as
  • Area
  • Volume
  • Diameter
  • Circumference
If the circumference of a circle is $$60$$ cm more than its diameter, then the circumference is?
  • $$14\pi$$cm
  • $$28\pi$$cm
  • $$35\pi$$cm
  • $$42\pi$$cm
The shaded part in the given figure is covered with cement. If its costs Rs. $$84$$ to cement an area of $$3$$ $$cm^2$$, find the total cost of cementing.
722867_1f1747cd207c48a49e4d0c518751d5e7.png
  • Rs. $$8820$$
  • Rs. $$8125$$
  • Rs. $$8610$$
  • Rs. $$8804$$
If the area of a rectangle is equal to the area of a square and if one side ($$l$$) of the rectangle is equal to the perimeter of the square, then the other side ($$b$$) of rectangle is _______ .
  • $$side\div 2$$
  • $${side}^{2}\div 2$$
  • $$side \div 4$$
  • $$side\div 3$$
If the circumference of a circle is $$33\ cm$$, find its diameter.
  • $$10.5\ cm$$.
  • $$12.5\ cm$$.
  • $$16.5\ cm$$.
  • None of these
Find the circumference of circle whose diameter is- $$17.5\ cm$$
Take $$\pi = \dfrac {22}{7}$$ in the above two questions.
  • $$55\ m$$ 
  • $$25\ m$$ 
  • $$59\ m$$ 
  • None of these
The length of a rectangle is $$\left( \cfrac { 6 }{ 5 }  \right) $$th of its breadth. It its perimeter is $$132m$$, its area will be ______ .
  • $$1080{m}^{2}$$
  • $$640{m}^{2}$$
  • $$1620{m}^{2}$$
  • $$2160{m}^{2}$$
The area of the shaded region in the figure is ______ .
723295_4ef0644e4b324cdfa2dd631fddad3756.png
  • $$207\ \text{m}^{2}$$
  • $$158\ \text{m}^{2}$$
  • $$256\ \text{m}^{2}$$
  • $$60\ \text{m}^{2}$$

Ishika has designed a small oval race track for her remote control car. Her design is shown in the figure. What is the total distance around the track? Round your answer to the nearest whole cm.
760089_28d9ce7d7473477fae5bd9ca15a9df99.png
  • $$205\ cm$$
  • $$305\ cm$$
  • $$100\ cm$$
  • $$245\ cm$$
The area of a square is numerically equal to the perimeter of the square, then the side of square is ______ .
  • $$2$$ units
  • $$3$$ units
  • $$4$$ units
  • $$5$$ units
The number of envelopes that can be made out of sheet of paper $$384cm$$ by $$172cm$$ if each envelope requires a piece of paper of size $$16cm$$ by $$12cm$$, is _________ .
  • $$340$$
  • $$344$$
  • $$338$$
  • $$342$$
A square and a rectangular plot of land have the same perimeter. If the square is of side $$40m$$ and the rectangle is of length $$5$$ decameter. Then area of rectangle is _______ .
  • $$1500{m}^{2}$$
  • $$1600{m}^{2}$$
  • $$200{m}^{2}$$
  • $$150{m}^{2}$$
All the figures given below consist of the four squares of equal size. Which figure has the smallest perimeter?
What is the perimeter of the shaded area in the given figure?
723297_a975e851b7ef40499628321d7e4f5fdc.png
  • $$18$$ units
  • $$19$$ units
  • $$16$$ units
  • $$9$$ units
Of the following statements, the one that is incorrect is:
  • Doubling the length of a given rectangle doubles the area.
  • Doubling the altitude of a triangle doubles the area.
  • Doubling the radius of a given circle doubles the area .
  • Doubling the divisor of a fraction and dividing its numerator by 2 changes the quotient.
If a bicycle wheel makes $$5000$$ revolution in moving $$11$$ km, then diameter of wheel is
  • $$110$$ cm
  • $$120$$ cm
  • $$70 $$ cm
  • $$100$$ cm
Two concentric circles form a ring. The inner and outer circumferences of the ring are $$50\dfrac{2}{7}\ m$$ and $$75\dfrac{3}{7}\ m$$ respectively. Find the width of the ring.
  • $$3\ m$$ 
  • $$4\ m$$ 
  • $$5\ m$$ 
  • $$6\ m$$ 
If the base and altitude of a parallelogram are doubled, what happens to the area compared to the original one?
  • $$8$$ times original
  • $$2$$ times original
  • $$4$$ times original
  • Remains same
Find the area of a parallelogram having base $$4$$ cm and height $$2$$ cm.
  • $$6$$ sq. cm
  • $$8$$ sq. cm
  • $$10$$ sq. cm
  • $$12$$ sq. cm
Find the area  of the circular park of Janakpuri whose circumference is 77m77m
  • $$671.87m^2$$
  • $$331.62m^2$$
  • $$471.62m^2$$
  • $$401.62m^2$$
The circumference of a circle is $$31.4\ cm$$. Find the area of the circle? (Take $$\pi=3.14$$)
  • $$58.5cm^2$$
  • $$48.5cm^2$$
  • $$78.5cm^2$$
  • $$88.5cm^2$$
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