CAT Exam

Consider a circle with circumference 200 sq metres and two people A and B moving in clockwise direction with speeds 5m/s and 9m/s

1) when do they meet at the starting point for the first time ?

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Pls check whether it is circumference (200 sq mtrs) or area ?
12 years agoHelpfull: Yes(4) No(1)

CAT Other Question

You have 6561 balls. 1 is lighter than remaining. What is the minimum number of weighings required on a common balance to ensure that the odd ball is identified ?

(a) 8 (b) 7 (c) 6 (d)5 If a, b, and c are positive integers such that (a-b+c)(b-c+a)(c-a+b)=15, then what is the product of a, b and c?