Find all School-related info fast with the new School-Specific MBA Forum

 It is currently 07 Jul 2015, 19:19

### GMAT Club Daily Prep

#### Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.

Customized
for You

we will pick new questions that match your level based on your Timer History

Track

every week, we’ll send you an estimated GMAT score based on your performance

Practice
Pays

we will pick new questions that match your level based on your Timer History

# Events & Promotions

###### Events & Promotions in June
Open Detailed Calendar

# What is the reminder when 9^1 + 9^2 + 9^3 + ...... + 9^9 is

Author Message
TAGS:
VP
Joined: 30 Sep 2004
Posts: 1488
Location: Germany
Followers: 4

Kudos [?]: 105 [0], given: 0

What is the reminder when 9^1 + 9^2 + 9^3 + ...... + 9^9 is [#permalink]  06 May 2005, 05:45
00:00

Difficulty:

(N/A)

Question Stats:

0% (00:00) correct 0% (00:00) wrong based on 0 sessions
What is the reminder when 9^1 + 9^2 + 9^3 + ...... + 9^9 is divided by 6?

(1) 0
(2) 3
(3) 4
(4) None of these
_________________

If your mind can conceive it and your heart can believe it, have faith that you can achieve it.

Director
Joined: 27 Dec 2004
Posts: 908
Followers: 1

Kudos [?]: 19 [0], given: 0

Ans is 3.

the unit value is always going to be 9, so from 19 to 99 (which are the possible values of the 10 digits) can only have remainder 1, 3 or 5. since 1 and 5 are not in the answer choice, then 3 it is
VP
Joined: 26 Apr 2004
Posts: 1225
Location: Taiwan
Followers: 2

Kudos [?]: 201 [0], given: 0

Re: PS - Remainder by 6 [#permalink]  06 May 2005, 06:25
christoph wrote:
What is the reminder when 9^1 + 9^2 + 9^3 + ...... + 9^9 is divided by 6?

(1) 0
(2) 3
(3) 4
(4) None of these

9/6 .....3

9^2 /6 .....3

9^3 /6 ......3
.....

so 9*9 /6 ....3

OA is B.
Re: PS - Remainder by 6   [#permalink] 06 May 2005, 06:25
Similar topics Replies Last post
Similar
Topics:
5 What is 92% of 3/4? 7 02 Dec 2012, 13:18
13 Whats the reminder when 42,527,152,653,425,416,242,624,272,427,215,287 13 23 Jun 2011, 01:45
1 reminder 6 27 Jan 2011, 21:36
What is the reminder when 9^1 + 9^2 + 9^3 + ...... + 9^9 is 6 22 Dec 2007, 12:16
What is the reminder when 91 + 92 + 93 + ...... + 99 is 11 05 Apr 2006, 01:11
Display posts from previous: Sort by