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CBSE Questions for Class 7 Maths Perimeter And Area Quiz 3 - MCQExams.com

In which figure circumference of the circle is shown in green?

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  • figure 2
  • figure 3
  • figure 1
  • figure 4
The area of triangle is equal to the area of a rectangle whose length and breadth are 20 cm and 15 cm respectively. Calculate the height of the triangle if its base measures 30 cm.
  • 20 cm.
  • 30 cm.
  • 40 cm.
  • None of these
80 students of the same height stand with both hands stretched all along the sides of a rectangular garden, each student covering a length of 1.75 m. Then the perimeter of the garden is
  • 1400 m
  • 140 m
  • 14 m
  • 1400 km
Which figure has an area of 20sq. units and a perimeter of 18 units?
The given figure is made up of two rectangles. Find its total area.
722855_4d56721953b6408096119b2db8831a40.png
  • 144cm2
  • 216cm2
  • 240cm2
  • 300cm2
If the outer and inner radii of a ring are 10 cm and 8 cm, then its area is nearly
  • 113.443 sq. cm
  • 113.343 sq. cm
  • 113.243 sq. cm
  • 113.143 sq. cm
A circular park, 42 m in diameter, has a path 3.5 m wide running around it on the outside. Find the cost of gravelling the path at Rs. 4 per m2.
  • Rs.2002
  • Rs.1652
  • Rs.1672
  • Rs.2048
Circumference C of the circular ring is:
where Couter and Cinner denotes the circumference of outer and inner circles respectively.
  • Couter+Cinner
  • CouterCinner
  • CouterCinner
  • 2(Couter+Cinner)
Perimeter of a triangle is the sum of the lengths of all the _____ sides.
  • 2
  • 4
  • 5
  • none of these
The shaded area enclosed between the two rings is called _____.
934679_5dace522b3354f93bfb616fff3922d0e.png
  • Circle
  • Spherical shell
  • Circular ring
  • Sphere
Find the area of the circular park of whose radius is 4.5m.
  • 33.85m2
  • 53.55m2
  • 43.85m2
  • 63.585m2
A circular ring is 5 cm wide. The difference of outer and inner radius is 
  • 5cm
  • 2.5cm
  • 10cm
  • none of these
If the circumference of a circle is 352 metres, then its area (approx)in  m 2 is
  • 9859
  • 8956
  • 6589
  • 5986
Find the circumference of the circle with the following radius : 10 cm
  • 20π cm
  • 10π cm
  • 30π cm
  • None of these
The area of circle with radius 24 cm is 
  • 576π
  • 24π
  • 12π
  • 48π
Find the radius of circle if its area is 125πcm2
  • 55cm
  • 33cm 
  • 22cm
  • none
If the radius of a circle is tripled, The area becomes
  • 9 times
  • 3 times
  • remains the same
  • 3 times
Circumference of a circle disc is 88cm. Its radius is.
  • 8cm
  • 11cm
  • 14cm
  • 44cm
 If 1m2=xmm2, then the value of x is.
  • 1000
  • 10000
  • 100000
  • 1000000
Area of a circle with diameter m, radius n and circumference p is
  • 2πn
  • πm2
  • πp2
  • πn2
Circumference of a circle of diameter  5cm is
  • 5cm
  • 31.4cm
  • 15.7cm
  • 1.57cm
State true/false:
To find the cost of a frame of a picture, we need to find the perimeter of the picture.
  • True
  • False
Write true or false and justify your answer. The area of ΔABC is 8 cm2 in which AB=AC=4 cm and A=90
  • True
  • False
State true or false.
The area of a triangle with base 4 cm and height 6 cm is 24 cm2.
  • True
  • False
A circular park is surrounded by a road 21 m wide. If the radius of the park is 105 m, find the area of the road.
  • 13860 m2
  • 30492 m2
  • 7623 m2
  • 15246 m2
The perimeter of a quadrant of a circle of radius r is:
  • πr2
  • 2πr
  • r2[π+4]
  • 2πr+r2
State whether true or false.
The radii of two circles are 19 cm and 9 cm respectively. The radius of the circle which has the circumference equal to the sum of the circumferences of the two circles is 26 cm.
  • True
  • False
The base and the corresponding altitude of a parallelogram are 10cm and 3.5cm, respectively. The area of the parallelogram is
  • 30cm2
  • 35cm2
  • 70cm2
  • 17.5cm2
If the sum of the areas of two circles with radii R1 and R2 is equal to the area of a circle of radius R, then
  • R1+R2=R
  • R21+R22=R2
  • R1+R2<R
  • R21+R22<R2
State true or false.
If the circumference of the circle is 88 cm, then its radius is 14 cm.
  • True
  • False
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