Area Problems

Area Problems
Square units 13 by 9 of an office area is

107

127

117

97

107

127

117

97

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Area Problems
A cost of cultivating a square field at a rate of ? 135 per hectare is ? 1215. The cost of putting a fence around it at the rate of 75 paise per meter wouldbe

? 1800

? 810

? 900

? 360

? 1800

? 810

? 900

? 360

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Area Problems
An error 2% in excess is made while measuring the side of a square. The percentage of error in the calculated area of the square is:

2%

2.02%

4%

4.04%

2%

2.02%

4%

4.04%

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Area Problems
The inner circumference of a circular race track, 14 m wide, is 440 m. Find radius of the outer circle

22

44

84

33

22

44

84

33

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Area Problems
A rectangle has 20 cm as its length and 200 sq cm as its area. If the area is increased by 1 1/ 5 time the original area by increase its length only then the perimeter of the rectangle so formed (in cm) is

68

60

72

64

68

60

72

64

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Area Problems
A park is in the form of a square one of whose sides is 100 m . The area of the park excluding the circular lawn in the centre of the park is 8614 m 2. The radius of the circular lawn is?

21 m

41 m

31 m

None of these

21 m

41 m

31 m

None of these

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