The smallest whole number

This topic has expert replies
User avatar
GMAT Instructor
Posts: 3650
Joined: Wed Jan 21, 2009 4:27 am
Location: India
Thanked: 267 times
Followed by:80 members
GMAT Score:760

The smallest whole number

by sanju09 » Tue Mar 03, 2009 4:42 am
The smallest whole number which is exactly divisible by 11/2, 21/4, 33/2, 42/5 is given by:

A. 441
B. 462
C. 1089
D. 1386
E. 4158
The mind is everything. What you think you become. -Lord Buddha



Sanjeev K Saxena
Quantitative Instructor
The Princeton Review - Manya Abroad
Lucknow-226001

www.manyagroup.com

Master | Next Rank: 500 Posts
Posts: 424
Joined: Sun Dec 07, 2008 5:15 pm
Location: Sydney
Thanked: 12 times

Re: The smallest whole number

by piyush_nitt » Tue Mar 03, 2009 4:51 am
sanju09 wrote:The smallest whole number which is exactly divisible by 11/2, 21/4, 33/2, 42/5 is given by:

A. 441
B. 462
C. 1089
D. 1386
E. 4158
IMO B

LCM of denominators 2,4,5 is 20

Fractions can be reduced to : 110/20 , 105/20 , 330/20 , 168/20

LCM of Num : 110,105,330,168 = 9240

Required number is 9240/20 = 462