Operation with symbols

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jcmsolis: Junior | Next Rank: 30 Posts; Posts: 11; Joined: Wed Jul 18, 2007 10:39 am; Location: Nicaragua

by jcmsolis » Wed Jan 09, 2008 10:08 am

If P# = p/(p-1), what is the value of P##?

a) p/(p-1)

b) 1/p

c) p

d) 2-p

e) p-1

Source: Beat The GMAT — Problem Solving | Wed Jan 09, 2008 10:08 am

rchadha7: Junior | Next Rank: 30 Posts; Posts: 17; Joined: Tue Oct 09, 2007 12:34 pm; Location: Jersey City

by rchadha7 » Wed Jan 09, 2008 12:32 pm

Ans is C

(p/p-1)
---------
(p/p-1) -1

p/p-1
--------
(p-(p-1))/p-1

cancel p-1

p/p-p+1 =P

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