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YAHOO PLACEMENT SAMPLE PAPER

Posted By: rakesh On:7/19/2010 11:05:55 PM in:Interview Questions Category:Best Practices Hits:1318
YAHOO PLACEMENT SAMPLE PAPER 

Yahoo Placement Paper

Paper Type : Whole Testpaper 

Few Questions: (45 min) 

1. In a village in each family they give birth to children till they get a boy. IF girl child they try again. What is the ratio of boys to girls. 

2. 2n+1 numbers in a list except for 1 num all had duplicates, how to find duplicate in O(n) 

3. In 1000 wine bottles stack 10 are poisoned given 10 rats what is the minimum number of tries to find the poisoned one. Rat dies once it licks the poisoned wine. 

4. Write 1,3,6,4 using +,-,*,/ to get 24 (no repeat of numbers) 

5. Which is the DS used in dictionary mode in mobile (t9) 

6. Which is DS used for chess program...to predict move each and every time.. 

7. There are $1070 dollars how to split them into bags such that asked for any denomination from $1 to $1070 , u must b able to give without opening bag... 

Another paper: 

1. First fit issues... 

2. Algorithm to partition set of numbers into two s.t. diff bw their sum is min and they hav equal num of elements 

3. Prog: given Numerator & Denominator.... print 0.3333333333 as .(3) 0.123123 as .(123)


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Rakesh Sinha
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New Delhi , India
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