How many 1’s

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sanju09: GMAT Instructor; Posts: 3650; Joined: Wed Jan 21, 2009 4:27 amFollowed by: 80 members; Location: India; Thanked: 267 times; GMAT Score:760

by sanju09 » Fri May 08, 2009 6:08 am

How many 1’s are there in the following sequence which are immediately preceded by but not immediately followed by 7?

719117189171213145713917

A. four
B. zero
C. two
D. one
E. three

The mind is everything. What you think you become. -Lord Buddha

Sanjeev K Saxena
Quantitative Instructor
The Princeton Review - Manya Abroad
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www.manyagroup.com

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Source: Beat The GMAT — Problem Solving | Fri May 08, 2009 6:08 am

DeepakR: Master | Next Rank: 500 Posts; Posts: 158; Joined: Tue Sep 30, 2008 8:47 amFollowed by: 1 member; Thanked: 23 times; GMAT Score:660

by DeepakR » Fri May 08, 2009 9:09 am

719117189171213145713917

Is the answer A.) 4 .

-Deepak

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