BREAKING: Target Test Prep releases Brand New 2026 On Demand GMAT prep course

Redeem

sequnce series

This topic has expert replies
Post new topic Post Reply
Previous Topic Next Topic
Master | Next Rank: 500 Posts
Posts: 183
Joined: Wed Feb 09, 2011 3:08 am
Location: Delhi
Thanked: 1 times
Followed by:5 members

sequnce series

by alltimeacheiver » Fri May 13, 2011 4:56 am
the nos goes down by 15, 7.5, 3.75, 1.5

now I ans choise narrow between b and c so b will be 1.006 and d will be 1.8 so the least is b. tell me where I am wrong. is the sequence will bve followed so c will be the option?
Attachments
sequence series.PNG
sequence series.PNG
Top
Source: — Problem Solving |

GMAT/MBA Expert

User avatar
GMAT Instructor
Posts: 16207
Joined: Mon Dec 08, 2008 6:26 pm
Location: Vancouver, BC
Thanked: 5254 times
Followed by:1268 members
GMAT Score:770

by Brent@GMATPrepNow » Fri May 13, 2011 7:01 am
alltimeacheiver wrote:the nos goes down by 15, 7.5, 3.75, 1.5
The problem is with 1.5
1.5 isn't half of 3.75

Since the answers are given in fractions, it's best to stick with fractions.

We get: 30, 15, 15/2 (7.5), 15/4 (3.75), 15/8
Since the next number (15/16) is less than 1, the answer must be 15/8

Cheers,
Brent
Brent Hanneson - Creator of GMATPrepNow.com
Image
Top
Post new topic Post Reply
• Page 1 of 1