areas MCQs – Page 7

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

areas Mcqs

121. The length of rectangle is thrice its breadth and its perimeter is 96 m, find the area of the rectangle?
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A. 428 sq m

B. 452 sq m

C. 356 sq m

D. 432 sq m

122. The radius of a circular wheel is 17.5m. How many revolutions will it make in travelling 11km?
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A. 10,000

B. 100

C. 1000

D. 10

123. The length of a rectangle is increased by 25% and its breadth is decreased by 20%. What is the effect on its area?
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A. 5% increase

B. 5% decrease

C. Remains same

D. 10% increase

124. The perimeter of a floor of a room is 18m.What is the area of four walls of the room if it; a height is 3m?
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A. 108 Sq.m

B. 21 Sq.m

C. 42 Sq.m

D. 54 Sq.m

125. In a Circle of Radius 5 cm if AB and AC are two equal chords of length 6cm each, then the length of chord BC is___________?
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A. 7/5 cm

B. 12/5 cm

C. None of these

D. 24/5 cm

126. The side of a rhombus is 26 m and length of one of its diagonals is 20 m. The area of the rhombus is_______?
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A. 240 sq m

B. 529 sq m

C. 480 sq m

D. 260 sq m

127. Find the cost of fencing around a circular field of diameter 28 m at the rate of Rs.1.50 a meter?
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A. Rs.132

B. Rs.100

C. Rs.150

D. Rs.125

128. The radius of the two circular fields is in the ratio 3: 5 the area of the first field is what percent less than the area of the second?
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A. 50%

B. 40%

C. 60%

D. 64%

129. If each side of a square is increased by 50% the ratio of the area of the resulting square to the area of the given square is__________?
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A. 5:04

B. 4:05

C. 9:4

D. 4:09

130. The length of a rectangular plot is increased by 25%. To keep its area uncharged the width of the plot should be___________?
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A. Increased by 20%

B. Kept unchanged

C. Reduced by 20%

D. Increased by 25%

131. The areas of two similar triangles are 12 cm2 and 48SQ. cm .If the height of the smaller one is 2.1cm than the corresponding height of the bigger one is_________?
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A. 60%

B. 4.2cm

C. 80%

D. 0.525cm

132. The diagonal of a square is 4?2cm. The diagonal is another square whose area is double that of the first square is__________?
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A. 4?2cm

B. 8?2cm

C. 8cm

D. 16cm

133. The area of a square field is 6050 Sq.m.The length of it diagonal is_________?
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A. 112m

B. 110m

C. 120cm

D. 135m

134. A circle and a rectangle have the same perimeter. The sides of the rectangle are 18cm and 26cm.What is the area of the circle?
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A. 88cm2

B. 154cm2

C. 1250cm2

D. 616cm2

135. If the side of a square is increased by 25% then its area is increased by_________?
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A. 55%

B. 40.50%

C. 25%

D. 56.25%

136. The area of a rhombus in 2016 Sq.cm and its side is 65cm. The length of its diagonals are________?
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A. 125cm, 35cm

B. 135cm,25cm

C. 132cm,26cm

D. 126cm,32cm

137. If the height of a triangle is decreased by 40% and its base is increased by 40% what will be the effect on its area?
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A. 16% Decrease

B. 8%decrease

C. 16%increases

D. No change

138. If an area enclosed by a circle or a square or an equal triangle is the same then the maximum perimeter is possessed by_________?
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A. Circle

B. Square

C. Equilateral Triangle

D. Both Triangle and Square

139. If the length and width of a rectangular grand are each increased by 20% then what would be the percent increase in the area of the garden?
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A. 44%

B. 24%

C. 20%

D. 36%

140. A typist uses a paper 30cm x 15cm.He leaves a margin at 2.5cm at the top and the bottom and 12.5cm on either side. What percentage of paper area is approximately available for typing
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A. 60%

B. 65%

C. 80%

D. 70%

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