It is currently 22 Nov 2017, 00:56

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

For a list of +ve integers , from the third terms, each term

Author Message
Manager
Joined: 28 Aug 2006
Posts: 143

Kudos [?]: 179 [0], given: 0

For a list of +ve integers , from the third terms, each term [#permalink]

Show Tags

27 Jul 2007, 20:46
00:00

Difficulty:

(N/A)

Question Stats:

0% (00:00) correct 0% (00:00) wrong based on 0 sessions

HideShow timer Statistics

This topic is locked. If you want to discuss this question please re-post it in the respective forum.

For a list of +ve integers , from the third terms, each term is the sum of the two previous term if the sum is odd;otherwise , the term is half the sum.If the fourth term is 7 abd the fifth term is 5, what is the first number?

Kudos [?]: 179 [0], given: 0

Manager
Joined: 28 Aug 2006
Posts: 143

Kudos [?]: 179 [0], given: 0

Show Tags

27 Jul 2007, 21:48
Himalayan

Kudos [?]: 179 [0], given: 0

Director
Joined: 26 Feb 2006
Posts: 900

Kudos [?]: 161 [0], given: 0

Show Tags

27 Jul 2007, 21:51
humtum0 wrote:
Himalayan

5th term = 10 cuz 5 is smallar than 7 so it must be half of its double i.e. 10.

similarly:

3rd term = 2
2nd term = 4
1st term 2.

just plug back from 5th term.

Kudos [?]: 161 [0], given: 0

27 Jul 2007, 21:51
Display posts from previous: Sort by