Flag Magical Mathematics[Interesting Approach]> CirCles!!!...
question mark

A,B and C start moving from a point at same time in a circle....A and B clocwise....C anticlocwise.....if A meets C in 88secs.....B meets C in 110 secs.....in what time will A meet B?????? Pls show the syeps!!!!

Shivam Bhagat , 15 Years ago
Grade 9
anser 1 Answers
Amitabh Shrivastava

let radius of circle = r

speeds of A,B,C be a,b,c

then time=dist/vel relative

Tac=2*pi*r/[a+c]...1

Tbc=2*pi*r/[c+b]...2

Tab=2*pi*r/[a-b]  {Becoz A and B travel in same dir}

Using 1 and 2

a-b=2*pi*r/440

hence A and B meet in 440sec

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Last Activity: 14 Years ago
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