Question

Q:A girl while walking diametrically across a
semicircular playground, takes 3 minute less than if
she had kept walking round the circular path from Q
to R. If she walks 80 meters a minute, what is the
diameter of the playground?

A.420m
B.210m
C.315m
D.200m
E. None of these/
​

Answer 1

Answer:

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Answer 2

Answer:

option D is the answer

Step-by-step explanation:

hope it helps you