areas MCQs – Page 6

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

areas Mcqs

101. A rectangular carpet has an area of 120 sq.m and a perimeter of 46 m. The length of its diagonal is:_________?
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A. 20 m

B. 17 m

C. 15 m

D. 16 m

102. he perimeter of a circle and a square field are equal. What is the diameter of the circle field if the area of the square field is 484 sq.m?
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A. 14m

B. 21m

C. 28m

D. None of these

103. The altitude of an equilateral triangle of side 2?3 cm is_________?
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A. 1/2 cm

B. 3 cm

C. 3/2 cm

D. 3/4 cm

104. A hall is a 15m long and 12m board. If the sum of the areas of the floor and the ceiling is equal to the areas of the 4 walls the volume of the hall is:
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A. 720 Cu.m

B. 361 Sq.cm

C. 1200 Cu.m

D. None of these

105. A rectangular grass field is 75 m * 55 m, it has a path of 2.5 m wide all round it on the outside. Find the area of the path and the cost of constructing it at Rs.2 per sq m?
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A. 1350, Rs.675

B. 575, Rs.1350

C. None

D. 675, Rs.1350

106. The base of a right triangle is 8 and hypotenuse is 10. Its area is________?
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A. 12

B. 24

C. 59

D. 80

107. The radius of a circle is increased by 1%. Find how much % does its area increases?
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A. 2.01%

B. 1.01%

C. 3.01%

D. 5.01%

108. The area of the largest circle that can be drawn inside a rectangle with sides 18cm and 14cm is_________?
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A. 49 Sq.cm

B. 378Sq.cm

C. 1078 Sq.cm

D. 154 Sq.cm

109. A big rectangular plot of area 4320 Sq.m is divided into 3 square shaped smaller plots by fencing parallel to the smaller side of the plot. However, some area of land was still left as a square plot could not be formed. So 3 more square shaped plots were formed by fencing parallel to the longer side of the original plot. Such that no area of the plot was left a surplus. What are the dimensions of the original plot?
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A. 240m 18m

B. 135m 32m

C. 160m 27m

D. 120m 36m

110. An agricultural field is in the form of a rectangle of length 20m and width 14m. A pit 6m long 3m wide and 2.5m deep is dug in a corner of the field and earth taken out of the pit is spread uniformly over. The remaining area of the field. The level of the field has raised by________?
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A. 16.17cm

B. 15.16cm

C. 17.18cm

D. 18.19m

111. The diagonals of a rhombus are 15 cm and 20 cm. Find its area?
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A. 150 sq m

B. 120 sq m

C. 300 sq m

D. 480 sq m

112. The length and breadth of a square are increased by 40% and 30% respectively. The area of the resulting rectangle exceeds the area of the square by:________?
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A. none of these

B. 42%

C. 82%

D. 62%

113. If the diameter of a circle is increased by 100 % its area is increased by:_________?
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A. 400%

B. 200%

C. 100%

D. 300%

114. The sum of the length breadth and depth of cuboid is 19cm and its diagonal is 5?5 cm its surface area is_________?
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A. None of these

B. 236 Sq.cm

C. 125 Sq.cm

D. 361 Sq.cm

115. A rectangular courtyard 3.78min long and 5.25m broad is to be paved exactly with square tiles all of the same size. The minimum number of such tiles is_________?
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A. 440

B. 450

C. 460

D. 430

116. A rectangular carpet has an area of 60 sq.m its diagonal and longer side together equal 5 times the shorter side. The length of the carpet is:_________?
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A. 14.5m

B. 13m

C. 12m

D. 5m

117. The Total cost of flooring a room at Rs.8.50 per square meter is Rs.510. If the length of the room is 8km its breadth is__________?
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A. 8.5m

B. 10.5m

C. 12.5m

D. 7.5m

118. The water in a rectangular reservoir having a base 80m by 60m is 6.5m deep.In what time can the water be amplified by a pipe of which the cross section is a square of a side 20cm if the water runs through the pipe at the rate of 15km per hour?
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A. 65hours

B. 26hours

C. 52hours

D. 42hours

119. A rectangular tank measuring (5m x 4.5m x 2.1m) is dug in the center of the field measuring 13.5m x 2.5m. The earth dug out is speed every over the remaining portion of the field raised?
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A. 4m

B. 4.1cm

C. 4.3m

D. 4.2cm

120. What is the perimeter of a square field whose diagonal is 8?2?
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A. 64 m

B. 32 m

C. 16 m

D. 30 m

Showing 101 to 120 of 149 mcqs