A triangular ground has 8km, 10km and 6km as its sides. It is to be painted at the rate of Rs. 8 per sq.km. How much will it cost?
Answer: D
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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?
Answer: B
A/8 = 8 * 8 => A = 8 * 8 * 8
x * 2x = 8 * 8 * 8
x = 16 => 2x = 32
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A wooden rectangular plank has dimensions 12m and 6 m. Three circular portions are cut from the plank having diameters 2m, 2m and 1m.How much area of the plank remains?
Answer: D
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A rectangular lawn of dimensions 80 m * 60 m has two roads each 10 m wide running in the middle of the lawn, one parallel to the length and the other parallel to the breadth. What is the cost of traveling the two roads at Rs.3 per sq m?
Answer: D
Area = (l + b – d) d
(80 + 60 – 10)10 => 1300 m⊃2;
1300 * 3 = Rs.3900
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A farmer wishes to start a 100 sq. m. rectangular vegetable garden. Since he has only 30 meter barbed wire, he fences three sides of the garden letting his house compound wall act as the fourth side fencing. Then find the dimension of the garden.
Answer: D
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A man walks entirely around his semi-circular garden. What is the area of his garden, if he walks 324m?
Answer: B
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The area of a rectangle is 460 square metres. If the length is 15% more than the breadth, what is the breadth of the rectangular field ?
Answer: C
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Find the area of circle whose radius is 7m?
Answer: B
22/7 * 7 * 7 = 154
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The perimeter of a rhombus is 68 cm and one of its diagonals is 16 cm. Find its area?
Answer: B
4a = 68 => a = 17
17⊃2; – 8⊃2; = 15⊃2;
1/2 * 16 * 30 = 240
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If ratio of the areas of two squares is 1:4, the ratio of their perimeters is
Answer: A
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