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%

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Area Problems
A parallelogram has sides 60 m and 40 m and one of the diagonal is 80 m long. Then its area is?

480 sq. m
600? 15 sq. m
320 sq. m
450 ? 15 sq. m

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Area Problems
A room is half as long again as it is broad. The cost of carpeting the at Rs. 5 per sq.m is Rs. 270 and the cost of papering the four walls at Rs. 10 per sq.m is Rs. 1720. If a door and 2 windows occupy 8 sq. m, find the dimensions of the room.

l=6; b=18; H=15
b=5; l=6; H=18
b=6; l=18; H=6
l=5; b=18; H=18

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