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Suryanarayana sarma

· started a discussion

· 1 Months ago

doubt (Question: 269979.0 )

a person walks on only circular track but not on entire circle right.. so how can u consider the entire outer circle?? plz explain

Question:

A circular track 4 m wide has an inner radius of 38 m. What time will be taken by a person running 5 rounds along the track outer side at 3 m per second?

Options:
A)

5 min 20 sec

B)

10 min 10 sec

C)

7 min 20 sec

D)

7 min 10 sec

Solution:

Ans: (c)


rakesh kumar

· commented

· 1 Months ago

r u sardaar than u r excused for anything but ur surname doesnot suggest so

Vijay Sharma

· commented

· 1 Months ago

Exactly.....i i assumed that he walked in the middle of the path and got this one wrong :p
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