areas MCQs – Page 3

Practise focused areas questions with marked answers for exam preparation and subject revision.

areas Mcqs
41. The length of the rectangular field is double its width. Inside the field there is square shaped pond 8m long. If the area of the pond is 1/8 of the area of the field. What is the length of the field?
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A. 32 m

B. 20 m

C. 16 m

D. 31 m

42. The length and breadth of a rectangle is increased by 10% and 25% respectively. What is the increase in the area?
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A. 27.50%

B. 37.5%

C. 47.50%

D. 57.50%

43. The difference between the radi of the smaller circle and the bigger circle is 7cm and the difference between the area of two circles is 1078Sq.cm Radius of the smaller circle is_________?
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A. 17.5cm

B. 21cm

C. None of these

D. 28cm

44. The length of a rope by which a cow must be tethered in order that she may be able to graze an area of 9856 sq.m is:________?
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A. 56m

B. 88m

C. 64m

D. 168m

45. The Length of a plot is four times is breadth. A playground measuring 1200 square meters occupies a third of the total area of the plot. What is the length of the plot in meters?
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A. 30

B. 60

C. None of these

D. 20

46. If the perimeter of a rectangular garden is 600 m, its length when its breadth is 100 m is________?
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A. 200 m

B. 600 m

C. 650 m

D. 300 m

47. If the radius of a circle be reduced by 50% its area is reduced by:_________?
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A. 50%

B. 75%

C. 100%

D. 25%

48. The area of a sector of a circle of radius 5 cm formed by an arc of length 3.5 cm is__________?
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A. 17.5 cm<sup>2</sup>

B. 8.75 cm2

C. 55 cm<sup>2</sup>

D. 0.35 cm<sup>2</sup>

49. The difference between the length and breadth of a rectangle is 23 m. If its perimeter is 206 m, then its area is__________?
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A. 1520 m2

B. 2520 m2

C. 2480 m2

D. 2420 m2

50. If the side of a square is increased by 25 % then how much percent does its area get increased:
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A. 125

B. 50

C. 56.25

D. 156.25

51. A circular wire of radius 42 cm is cut and bent in the form of a rectangle whose sides are in the ration of 6:5 The smaller side if the rectangle is:_________?
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A. 72 cm

B. 30 cm

C. 132 cm

D. 60 cm
52. Bilals room has a floor of 8m by 4m. He decides to tile the floor with tiles of 25cm x 20 cm. How many tiles will he need?
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A. 160 tiles

B. 6.4 tiles

C. 320 tiles

D. 640 tiles
53. If the ratio of the areas of two squares is 9:1 ratio of their perimeters is_________?
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A. 3:04

B. 9:01

C. 1:03

D. 3:1
54. The perimeter of one square is 48 cm and that of another is 20 cm. Find the perimeter and the diagonal of a square which is equal in area to these two combined?
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A. 13?2 cm

B. 16?2 cm

C. 17?2 cm

D. 15?2 cm

55. A hall 20 m long and 15 m broad is surrounded by a verandah of uniform width of 2.5 m. The cast of flooring the verandah at the rate of Rs 3.50 per sq. Meter is__________?
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A. Rs. 600

B. Rs. 800

C. Rs. 700

D. Rs.500

56. The circumferences of two concentric circles are 176 m and 132 cm respectively. What is the difference between their radii?
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A. 8 m

B. 5 m

C. 7 m

D. 44 m

57. The area of the base of a rectangular tank is 6500Sq.cm and the volume of water containing in it is 2-6 cubic meters. The depth of the water in the tank is
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A. 5.5m

B. 2.5m

C. 4m

D. 3m

58. The length of each side of an equilateral triangle having an area of 4?3 cm<sup>2
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A. 3/4 cm

B. 4 cm

C. 4/3 cm

D. 3 cm

59. The Ratio of the length and breadth of a plot is 3:2 .If the breadth is 40m less than the what is the parameter of the plot?
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A. 480m

B. 400m

C. 450m

D. 320m

60. The product of the area of three adjacent faces of a rectangular box is equal to___________?
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A. the volume of the box

B. Twice the volume of the box

C. the square of the volume of the box

D. Cube root of the volume of the box