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

Redeem

operations on rational numbers

This topic has expert replies
Post new topic Post Reply
Previous Topic Next Topic
Senior | Next Rank: 100 Posts
Posts: 30
Joined: Tue Sep 29, 2009 7:04 pm
Thanked: 1 times

operations on rational numbers

by pullagurla » Thu Sep 02, 2010 10:41 pm
Of 30 applicants for a job, 14 had at least 4 years'
experience, 18 had degrees, and 3 had less than
4 years' experience and did not have a degree.
How many of the applicants had at least 4 years'
experience and a degree?
(A) 14
(B) 13
(C) 9
(D) 7
(E) 5

Solve using backsolving method
Top
Source: — Problem Solving |
User avatar
Master | Next Rank: 500 Posts
Posts: 233
Joined: Mon Jun 09, 2008 1:30 am
Thanked: 5 times

by blaster » Thu Sep 02, 2010 10:48 pm
it better to draw a table for this question.
the answer must be E
Top
Legendary Member
Posts: 1119
Joined: Fri May 07, 2010 8:50 am
Thanked: 29 times
Followed by:3 members

by diebeatsthegmat » Mon Sep 13, 2010 11:24 pm
pullagurla wrote:Of 30 applicants for a job, 14 had at least 4 years'
experience, 18 had degrees, and 3 had less than
4 years' experience and did not have a degree.
How many of the applicants had at least 4 years'
experience and a degree?
(A) 14
(B) 13
(C) 9
(D) 7
(E) 5

Solve using backsolving method
the sum of all applicants is 30 and we have to find the sum of applicants with at least 4 years + a degree.
first of all 30-3=27 have degree and at least 4 experience or both
the number of both =18+14-27=5
E is the answer
Top
Post new topic Post Reply
• Page 1 of 1