Area Problems
The diameter of the driving wheel of a bus is 140 cm. How many revolution, per minute must the wheel make in order to keep a speed of 66 kmph ?

550
150
350
250

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Area Problems
A polygon has 44 diagonals the number of its sides is?

11
10
9
12

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Area Problems
A rectangular carpet has an area of 60 sq. m. Its diagonal and longer side together equal 5 times the shorter side, The length of the carpet is?

13 m
5 m
12 m
14.5 m

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