areas MCQs – Page 4

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

areas Mcqs

61. A rectangular tank is 225 m by 162m at the base with what speed must water flow into it through an aperture 60cm by 45cm that the level may be raised 20cm in 5 hours?
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A. 5000 m/hr

B. 5200m/hr

C. 5400 m/hr

D. 5600 m/hr

62. A rope of which a calf is tied is increased from 12 m to 23 m, how much additional grassy ground shall it graze?
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A. 1120 m<sup>2</sup>

B. 1210 m2

C. 1250 m<sup>2</sup>

D. 1200 m<sup>2</sup>

63. A rectangular measure 8cm on length and its diagonals measures 10cm what is the perimeter of the rectangular?
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A. 28cm

B. 18cm

C. 36cm

D. 38cm

64. A rectangular field is to be fenced on three sides leaving a side of 20 feet uncovered. If the area of the field is 680 sq. feet, how many feet of fencing will be required?
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A. 68

B. 40

C. 88

D. 34

65. A rectangular carpet has an area of 120 square meters and a parameter of 46m. The length of its diagonals is_________?
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A. 15m

B. 11m

C. 17m

D. 13m

66. A rectangular field has area equal to 150 sq m and perimeter 50 m. Its length and breadth must be________?
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A. 12 m, 10 m

B. 15 m, 10 m

C. 13 m, 12 m

D. 14 m, 11 m

67. The area of a circle is 24.64Sq.m. the circumference of circle is________?
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A. 16.36m

B. 18.40m

C. 14.64cm

D. 17.60m

68. The area of a parallelogram is 128sq m and its altitude is twice the corresponding base. Then the length of the base is_________?
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A. 6 m

B. 10 m

C. 8 m

D. 12 m

69. What part of a ditch 48m long 16.5 broad and 4m deep can be filled by the earth got by digging a cylindrical tunnel of diameter 4m and length 56m?
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A. 9-Jan

B. 9-Aug

C. 9-Jul

D. 2/9

70. Sides of a rectangular park are in the ratio 3: 2 and its area is 3750 sq m, the cost of fencing it at 50 ps per meter is_______?
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A. Rs.125

B. Rs.150

C. Rs.175

D. Rs.100

71. A tank is 7m long and 4m wide at what speed should water run through pipes 5cm broad and 4cm deep so that in 6 hours and 18 minutes, the water level in the tank rises by 4.5cm?
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A. None of these

B. 12km/hr

C. 10km/hr

D. 14km/hr

72. The length of a rectangle is twice its breadth, if length is decreased by 5 cm and the breadth is increased by 5 cm. The length of the rectangle is_________?
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A. 50 cm

B. 20 cm

C. 40 cm

D. 30 cm

73. The perimeter of circle field and a square field are equal. If the area of these square field is 12100m2, the area of a circular field will be_________?
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A. 15200Sq.m

B. 15400Sq.m

C. 15300Sq.m

D. 15500Sq.m

74. The area of a triangle is with base 4m and height 5m?
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A. 3 sq m

B. 20 sq m

C. 10 sq m

D. 5 sq m

75. Water flows a tank 200 x 150m through a rectangular pipe 1.5 x 1.25m at the rate at 20kmph. In what time will be water rises by 2 meters?
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A. 76 min

B. 90min

C. 96min

D. 80min

76. The area of a triangle will be when a = 1m, b = 2m, c = 3m, a, b, c being lengths of respective sides.
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A. 2 sq m

B. 0 sq m

C. 3 sq m

D. 6 sq m

77. What is the area of square field whose side of length 15 m?
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A. 220 sq m

B. 30 sq m

C. 100 sq m

D. 225 sq m

78. If the base of rectangle is increased by 10 % and the area is unchanged then the corresponding altitude must be decreased by:________?
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A. 11.11%

B. 10%

C. 11%

D. 9 1/11 %

79. The length and breadth of play ground are 36 m and 21 m respectively. Flag staffs are required to be fixed on all along the boundary at a distance of 3 m part. The number of flag staffs will be___________?
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A. 38

B. 37

C. 39

D. 40

80. The length of a rectangle is increased by 60 %. By what percent would the width have to be decreased to maintain the same area?
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A. 60%

B. 75%

C. 37 %

D. 120%

Showing 61 to 80 of 149 mcqs