Exercise
1.
If the length of the diagonal AC of a square ABCD is 4.2 cms then the area of the square is?
• A.
10.42cm2
• C.
7.92cm2
• B.
9.00cm2
• D.
8.82cm2
• Answer
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Answer : [D]
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2.
The ratio between the length and the perimeter of a rectangular plot is 1:3 and the ratio between the breadth and Perimeter of the plot is 1:6. What is the ratio between the length and area of the plot?
• A.
1 : 8
• C.
2 : 1
• B.
2 : 5
• D.
Data Inadequate
• Answer
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Answer : [D]
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3.
The lengths of diagonals of a rhombous are 24cm and 10cm respectively. What is the area of the rhombus?
• A.
240cm2
• C.
120cm2
• B.
80cm2
• D.
100cm2
• Answer
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Answer : [C]
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4.
Find the costs of carpeting a square room of side 8 meters with carpet at the rate of Rs.44 per meter square?
• A.
Rs. 400
• C.
Rs. 2816
• B.
Rs. 500
• D.
Rs. 250
• Answer
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Answer : [C]
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5.
A room is 8 meters long and 4 meters wide. How many paving stones each
measuring 2.5dm by 2dm are required to pave its floor?
• A.
700
• C.
720
• B.
640
• D.
810
• Answer
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Answer : [B]
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