Search found 2 matches


Is x – y > r – s?
(1) x > r and y < s

x-y > r-s ??
or
x-r > y-s

x-r is +ve number from 1
y-s is -ve number from 1

so x-y is greater then y-s

by hishighness

Fri Dec 15, 2006 1:15 pm
Forum: Data Sufficiency
Topic: Help Needed
Replies: 5
Views: 3407

See the main logic is they both have to cover the same distance and one should take take half the time taken by other persson .. which means speed of one should be double the speed of other person Between 25-45 and 45-60 double speed combos can be 25,50 26,52 27,54 28,56 29,58 30,60 Now see the choi...

by hishighness

Fri Dec 08, 2006 7:48 am
Forum: Problem Solving
Topic: Difficult Math Question #54 - Rates
Replies: 6
Views: 2652