Guest

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!!!!

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!!!!

Grade:9

1 Answers

Amitabh Shrivastava
32 Points
11 years ago

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

If you have any queries feel free to contact

Do not forget to approve this answer

 

Think You Can Provide A Better Answer ?