Area Problems
If the area of an equilateral triangle is x and its perimeter is y, then which one of the following is correct?

None of these
y4 = 216 x2
y4 = 432 x2
y2 = 432 x2

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

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Area Problems
The lengths of three line segments (in cm) are given in each of the four cases. Which one of the following cases is not suitable to be the three sides of a triangle?

3, 4, 5
2, 3, 5
2, 4, 5
2, 3, 4

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