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Sets

Data Sufficiency

Image

Option2:

No info about club Y students.

Therefore answer is A

by iwgi

Tue Jun 23, 2015 1:14 am
Forum: Data Sufficiency
Topic: Sets
Replies: 6
Views: 2007

Rate Problem

GMAT Math

  • r * t = d
    r * 16 = 1/10 (10 machines)
    r = 1/160

    Again,

    r * t = d
    1/160* t = 1/8 (8 machines)
    t = 20

by iwgi

Mon Apr 20, 2015 1:16 am
Forum: GMAT Math
Topic: Rate Problem
Replies: 4
Views: 3151

how to solve these problems

GMAT Math

Here is short soln:
The final percentage the seller will make of original spend will be 120%.

Applying formula :
final % = final price / original price

Original Price = 63/90*100

120/100 = fp / (63/90*100)
fp = 84

by iwgi

Mon Apr 20, 2015 1:08 am
Forum: GMAT Math
Topic: how to solve these problems
Replies: 4
Views: 2871