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 smallest whole number
This topic has expert replies
- sanju09
- 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 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
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
IMO Bsanju09 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
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