Search found 20 matches


Best thing is to simplify these kind of expressions
numerator reduces to ( (m-2)*(m-3) ) /m

denominator reduces to (m+3)(m-2)

so numerator by denominator will equal to (after cancelling the common thing (m-2) )
= (m-3) / (m*(m+3 )) => A

by kitg

Thu Jul 14, 2011 8:10 pm
Forum: Problem Solving
Topic: No M's in Algebra
Replies: 4
Views: 1444

Answer to question 2: asked thing can be found by adding all the 3's in the unit's digit of the 10 terms + adding all the 3's in the ten's digit of the 9 terms (except first term which is just 3) + adding all the 3's in the hundred's digit of the 8 terms (except 3 and 33 which don't have a hundred's...

by kitg

Thu Jul 14, 2011 7:40 pm
Forum: Problem Solving
Topic: 2 Series
Replies: 6
Views: 7954

HI,

i think the solution given in the book in much easier and straight forward.

by kitg

Thu Jul 14, 2011 7:18 pm
Forum: Problem Solving
Topic: Lines : Manhattan Quant Guide
Replies: 2
Views: 1263

easiest is factor out 16
= sqrt { (16*20) + (16*16))
= sqrt ( 16*(20+16) ) = sqrt (16*36) = 4*6 = 24

by kitg

Thu Jul 14, 2011 7:05 pm
Forum: Problem Solving
Topic: OG #32
Replies: 5
Views: 1226

how to prepare for GMAT?

HI,
Have started my GMAT preps last week and am targeting July last week for my GMAT exam. please share your valuable suggestions/tips to prepare for the exam.

by kitg

Mon May 02, 2011 1:47 pm
Forum: GMAT Strategy
Topic: how to prepare for GMAT?
Replies: 5
Views: 1912