substraction

This topic has expert replies
User avatar
Junior | Next Rank: 30 Posts
Posts: 17
Joined: Mon Jul 04, 2011 6:14 am
Thanked: 3 times

substraction

by jaijune » Sat Apr 07, 2012 7:44 am
Dear All,
How to solve the below problem.

Substract 27 5/4 from 43 1/6

A)15
B)15 5/84
C)15 8/24
D)15 15/20
E)15 17/21

Thanks in advance.
Source: — Problem Solving |

User avatar
GMAT Instructor
Posts: 1248
Joined: Thu Mar 29, 2012 2:57 pm
Location: Everywhere
Thanked: 503 times
Followed by:192 members
GMAT Score:780

by Bill@VeritasPrep » Sat Apr 07, 2012 8:20 am
Is the first number supposed to be 27 4/5?
Join Veritas Prep's 2010 Instructor of the Year, Matt Douglas for GMATT Mondays

Visit the Veritas Prep Blog

Try the FREE Veritas Prep Practice Test

User avatar
Legendary Member
Posts: 626
Joined: Fri Dec 23, 2011 2:50 am
Location: Ahmedabad
Thanked: 31 times
Followed by:10 members

by ronnie1985 » Sat Apr 07, 2012 8:28 am
43 1/6 = 41 13/6
27 5/4 = 27 5/4
Subtract = (41-27) + (13/6-5/4) = 14 + (26-15)/12 = 14 11/12
Something wrong in the question.
Follow your passion, Success as perceived by others shall follow you

User avatar
Junior | Next Rank: 30 Posts
Posts: 17
Joined: Mon Jul 04, 2011 6:14 am
Thanked: 3 times

by jaijune » Sat Apr 07, 2012 8:31 am
Bill@VeritasPrep wrote:Is the first number supposed to be 27 4/5?
43 1/6 is the first number.

Thank you

User avatar
GMAT Instructor
Posts: 1248
Joined: Thu Mar 29, 2012 2:57 pm
Location: Everywhere
Thanked: 503 times
Followed by:192 members
GMAT Score:780

by Bill@VeritasPrep » Sat Apr 07, 2012 8:34 am
This is what I meant:
Substract 27 5/4 from 43 1/6
None of those answers are possible with 27 5/4.
Join Veritas Prep's 2010 Instructor of the Year, Matt Douglas for GMATT Mondays

Visit the Veritas Prep Blog

Try the FREE Veritas Prep Practice Test