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?

400
300
600
4000

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Area Problems
The radius of a circle is increased so that its circumference increase by 5%. The area of the circle will increase by?

10.5 %
10 %
8.75 %
10.25 %

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP