Q37

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magical cook: Master | Next Rank: 500 Posts; Posts: 484; Joined: Sun Jul 30, 2006 7:01 pm; Thanked: 2 times; Followed by:1 members

by magical cook » Wed Sep 19, 2007 2:37 pm

If K is an integer and (0.0025)(0.025)(0.00025)*10^k is an integer, what is the least possible value of K?

A. –12
B. –6
C. 0
D. 6
E. 12

Source: Beat The GMAT — Problem Solving | Wed Sep 19, 2007 2:37 pm

tanyajoseph: Master | Next Rank: 500 Posts; Posts: 103; Joined: Wed May 30, 2007 6:17 am; Followed by:1 members

by tanyajoseph » Wed Sep 19, 2007 3:13 pm

E?

12 decimal points so 10^12 makes the value an integer.

camitava: Legendary Member; Posts: 645; Joined: Wed Sep 05, 2007 4:37 am; Location: India; Thanked: 34 times; Followed by:5 members

by camitava » Wed Sep 19, 2007 8:22 pm

One more vote for E!

Correct me If I am wrong

Regards,

Amitava

dpatwa: Senior | Next Rank: 100 Posts; Posts: 31; Joined: Tue Jul 31, 2007 11:17 am; Location: Denver, CO

by dpatwa » Wed Sep 19, 2007 9:47 pm

agree with E

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