Find the cost of fencing around a circular field of diameter 28 m at the rate of Rs.1.50 a meter?
Answer: B
2 * 22/7 * 14 = 88
88 * 1 1/2 = Rs.132
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If the perimeter of a rectangular garden is 600 m, its length when its breadth is 100 m is?
Answer: C
2(l + 100) = 600 => l = 200 m
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A man walked 20 m to cross a rectangular field diagonally. If the length of the field is 16 cm. Find the breadth of the field is?
Answer: B
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The length of a rectangle is 18 cm and its breadth is 10 cm. When the length is increased to 25 cm, what will be the breadth of the rectangle if the area remains the same?
Answer: C
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The area of a triangle is with base 4m and height 5m?
Answer: B
1/2 * 4 * 5 = 10 m⊃2;
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Jay’s room has a floor of 8m by 4m. He decides to tile the floor with tiles of 25cm x 20 cm. How many tiles will he need?
Answer: B
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What is the ratio between perimeters of two squares one having 3 times the diagonal then the other?
Answer: D
d = 3d d = d
a√2 = 3d a√2 = d
a = 3d/√2 a = d/√2 => 3: 1
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The length of a rectangular plot is 60% more than its breadth. If the diffrent between the length and the breadth of that rectangle is 24 cm, what is the area of the rectangle?
Answer: C
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The length of a room is 5.5 m and width is 3.75 m. Find the cost of paving the floor by slabs at the rate of Rs.800 per sq metre.
Answer: D
Area of the floor = (5.5×3.75)m⊃2; = 20.625m25.5×3.75m⊃2; = 20.625m⊃2;
∴∴ Cost of paving = Rs.(800××20.625) = Rs.16500
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What are the least number of square tiles required to pave the floor of a room 15 m 17 cm long and 9 m 2 cm broad ?
Answer: C
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