areas MCQs – Page 8

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

areas Mcqs
141. The perimeter of a rectangle is 60m. If its length is twice its breadth then its area is__________?
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A. 200m2

B. 160m<sup>2</sup>

C. 180m<sup>2</sup>

D. 220m<sup>2</sup>

142. The sides of a triangle are in the ratio : 1/3: . If the perimeter is 52cm then the length of the smallest side is________?
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A. 10cm

B. 11cm

C. 9cm

D. 12cm
143. The length of a rectangular plot is twice its breadth. If the area of the rectangular plot is 6075 sq.meters .what is its length?
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A. 75m

B. 135m

C. 45m

D. None of these

144. The perimeter of a rectangle and square are 160m each. The area of the rectangle is less than that its square by 100cm meters. The less than that of the square by 100 sq.meters. the length of rectangle is___________?
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A. 40m

B. 50m

C. 60m

D. 30m

145. A rectangular field has dimensions 25m by 15m. Two mutually perpendicular passage of 2m width have been left in its central part and grass has been grown in rest of the field. The area under the grass is____________?
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A. 300m<sup>2</sup>

B. 375m<sup>2</sup>

C. 295m<sup>2</sup>

D. 299m2
146. The area of a rectangle is 12 sq.metres and its length is 3 times that of its breadth. What is the perimeter of the rectangle?
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A. 18m

B. 14m

C. None of these

D. 4m

147. If the length of a rectangle is increased by 20% and its breadth is decreased by 20% then it area________?
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A. Remains unchanged

B. Decreased by 1%

C. decreased by 4%

D. Increased by 4%

148. The largest size of bamboo that can be placed in a square of area 100 sq.meters is__________?
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A. 10m

B. 14.14m

C. 25m

D. 20m

149. The area of largest triangle that can be inscribed in a semicircle of radius R cm is__________?
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A. 1/2 R<sup>2</sup> cm<sup>2</sup>

B. 2R cm<sup>2</sup>

C. R2 cm2

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