Ask Questions, Discuss Approaches & No Clutter
0

: PS When positive integer A, which has n digits, is

Open 2 Answers 32 Views
Veritas: PS
When positive integer A, which has n digits, is multiplied by (n+2), the product is a number with (n+1) digits, all of whose digits are (n+1). How many instances of A exist?
(a) None
(b) 1
(c) 2
(d) 8
(e) 9
Official Answer

2 Answers

Kartik Vermun
0
Final term 333??? if your multiplying with n+2 then it should be 24 * 22 right ?? (if n=22)
answered Jun 22, 2016 by Student (31 points)
CHarricks
0
Since 'n+1 is a single digit number' n cannot be equal to 9 i.e n*9
if n=0 , then A has 0 digits. Not possible. Hence n*0.
answered Jun 22, 2016 by (-1 points)
Student Speaks

Jyotsna Mehta

Indian School of Business, Co'18

I am very thankful to Gmatxchange and would definitely recommend Gmatxchange mentors to all those students applying for MBA admissions

Your Tentative GMAT Score
Estimate your GMAT score.
700
The scorer helps you to determine your current level within a few questions you solve.Read More
Please log in or register to use the Scoring Feature
Confused about your profile & colleges, Get FREE profile evaluation today from over 10 consultants.
Follow us and get quick prep updates on Facebook
...