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RE: GMATPrep - Difficult Functions Question
put a=1 , b=1
for choice a) f(x) = x^2 ; f(a) = 1. f(b) =1, f(a+b) = (1+1)^2=2^2 no match
similarly other choices too have LHS != RHS EXCEPT CHOICE E
ANSWER IS (E)
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Tue Aug 28, 2007 11:15 pm- Forum: Problem Solving
- Topic: GMATPrep - Difficult Functions Question
- Replies: 2
- Views: 1849
probability Q-1
help me to solve these probability questions
1.In a bag of balloons, the ratio of red balloons to other colours is 1:5, if 3 balloons are selected from the bag at random, what is the probability that (a) at least one balloon is red, (b) exactly one balloon is red.?
speed
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Mon Aug 27, 2007 8:54 pm- Forum: Problem Solving
- Topic: probability Q-1
- Replies: 1
- Views: 1430
help to solve the probability questions
Hi frnds, help me to solve these probability questions 1.In a bag of balloons, the ratio of red balloons to other colours is 1:5, if 3 balloons are selected from the bag at random, what is the probability that (a) at least one balloon is red, (b) exactly one balloon is red.? 2.A point is moving rand...
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Sun Aug 26, 2007 9:21 pm- Forum: Problem Solving
- Topic: help to solve the probability questions
- Replies: 0
- Views: 1701