Digits

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gmatmachoman: Legendary Member; Posts: 2326; Joined: Mon Jul 28, 2008 3:54 am; Thanked: 173 times; Followed by:2 members; GMAT Score:710

by gmatmachoman » Fri Mar 12, 2010 8:03 am

How many digits does the product of 412 and 523 contain?
A. 12
B. 13
C. 23
D. 24
E. 35

OA:D

Source: Beat The GMAT — Problem Solving | Fri Mar 12, 2010 8:03 am

thephoenix: Legendary Member; Posts: 1560; Joined: Tue Nov 17, 2009 2:38 am; Thanked: 137 times; Followed by:5 members

by thephoenix » Fri Mar 12, 2010 8:12 am

gmatmachoman wrote:How many digits does the product of 412 and 523 contain?
A. 12
B. 13
C. 23
D. 24
E. 35

OA:D

there is smething wrng in q

harsh.champ: Legendary Member; Posts: 1132; Joined: Mon Jul 20, 2009 3:38 am; Location: India; Thanked: 64 times; Followed by:6 members; GMAT Score:760

by harsh.champ » Fri Mar 12, 2010 8:15 am

gmatmachoman wrote:How many digits does the product of 412 and 523 contain?
A. 12
B. 13
C. 23
D. 24
E. 35

OA:D

523 is a prime no.
I didnt understand,we can simply multiply both of them.
What is the ques. asking??

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