Area Problems
A circular disc of area 0.49 ? square meters, rolls down a length of 1.76 km. The number of revolutions it makes is?

600
400
4000
300

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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?

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

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

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

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