# Placement Papers: About Yahoo Paper

Examrace Placement Series prepares you for the toughest placement exams to top companies.

Yahoo! was founded in 1994 by Stanford Ph. D. Students David Filo and Jerry Yang. It began as a hobby and has evolved into a global brand that has changed the way people communicate with each other, conduct transactions and access, share, and create information. Today, led by an executive team that includes Chairman and CEO Terry Semel, Head of the Advertiser & Publisher Group and acting Chief Financial Officer Susan Decker, Chief Technology Officer Farzad Nazem, and Co-Founders/Chief Yahoos Jerry Yang and David Filo, Yahoo! Inc. Has become the world's largest global online network of integrated services. Yahoo! is a leading Internet brand globally and the most trafficked Internet destination worldwide. The company is headquartered in Sunnyvale, California, with offices around the globe.

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 number 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… MOSTLY ASKED QUESTIONS

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 number of elements

3. Prog: Given Numerator & Denominator____ print 0.3333333333 as (3).

0.123123 as (123).

Courtesy: YAHOO!