Search found 66 matches


In a circular arrangement,

No. of possible combinations include (n-1)!

So, (5-1)!= 4!= 4*3*2*1= 24

by phanikpk

Wed Jul 30, 2014 6:22 am
Forum: Problem Solving
Topic: Dinner Table- Combinations
Replies: 5
Views: 2189

1/3 of AIC= 57 Mn
AIC= 57*3= 171 Mn
AIC= 0.36 of CIC

So, CIC= AIC*100/36= 171*100/36= 171*25/9= 25*19= 475
Option C

by phanikpk

Mon Jul 28, 2014 4:19 pm
Forum: Problem Solving
Topic: gprep ps-5
Replies: 6
Views: 2576

Given info: Since wood chips occupy less than half the volume of branches A- irrelevant to the present argument as it is not about transporting B- OFS C- OFS D- Since the volume is less than half, then converting them to chips at the same site results in less transportation costs as more chips can b...

by phanikpk

Sun Jul 20, 2014 9:02 am
Forum: Critical Reasoning
Topic: Lumber company
Replies: 4
Views: 1653

Is y positive

If x+y is Z, Is y positive?
1) x+z=y
2) y+z=x

Please help

by phanikpk

Sat Jul 19, 2014 10:56 pm
Forum: Data Sufficiency
Topic: Is y positive
Replies: 3
Views: 1539
by phanikpk

Wed Jul 16, 2014 12:01 am
Forum: Sentence Correction
Topic: It ought to be her ........
Replies: 28
Views: 18084

Work back method if each modem costs 1$, then total cost is 4000$. If the cost increases by 25%, then the cost will be 5$ d=4000 Then substitute the value in given options to get an answer of 5$ 1. d/800=4000/800=5$ 2. 5d/1000= 20,000/1000= 20 3. 125d= NS 4. d/1000+25= 29 5. 125/1000d= NS Finally an...

by phanikpk

Wed Jul 16, 2014 12:00 am
Forum: Problem Solving
Topic: Modems
Replies: 34
Views: 15093
by phanikpk

Tue Jul 15, 2014 10:12 pm
Forum: Sentence Correction
Topic: Idiom
Replies: 4
Views: 1977

In case of a^m^n, the n power belongs to m but not to a

Similarly 10^(-(-3)^2)

First of all we have to remove the first - sign by transferring the power to denominator

This will give 1/10^(-3)^2

Then (-3)^2, since 2 belongs to -3 will be 9

Finally 1/10^9.

by phanikpk

Tue Jul 15, 2014 9:09 pm
Forum: Problem Solving
Topic: Exponents
Replies: 5
Views: 1462

Thanks mike for such a beautiful qn

Really feast for brains

E is the answer

by phanikpk

Tue Jul 15, 2014 8:53 am
Forum: Problem Solving
Topic: JKL is an equilateral triangle. Point M is the midpoint of
Replies: 3
Views: 2684

IMO E

Because of parallelism by uncontrolled deep-sea and coastal netting with by pollution and wild salmon's numbers are plural, followed by a plural verb.

Provide OA.

by phanikpk

Tue Jul 15, 2014 8:18 am
Forum: Sentence Correction
Topic: number of wild salmon--SC
Replies: 3
Views: 1450

Already given data

Length of each red stick R=Avg W-18
This in turn equals to Avg V+6

Finally, from equating the above two sentences, Avg W-Avg V= 18+6= 24

So, its E

by phanikpk

Tue Jul 15, 2014 8:08 am
Forum: Problem Solving
Topic: GMAT FOCUS QUESTION-2
Replies: 4
Views: 1715

A. Pronoun them- referant is missing and co-ordinate should modify illustrations rather than Beatrix B.Same here as A C. Seems good, as which refers to illustrations and after all the explanation, Beatrix is placed aptly D. Co-ordinate and illustrations are far and author name is not placed aptly E....

by phanikpk

Tue Jul 15, 2014 3:41 am
Forum: Sentence Correction
Topic: OG 13 SC : Q 104
Replies: 5
Views: 3159

Oh thanks rich
I forgot to take care of dimensions of base

by phanikpk

Tue Jul 15, 2014 1:19 am
Forum: Problem Solving
Topic: Rectangular cube Diagram
Replies: 7
Views: 1913

Maximum number of cubes

Volume of all the cubes= volume of the rectangular box

n(4*4*4)= 10*12*16

Finally, n= 30

IMO E

Please give me OA

by phanikpk

Tue Jul 15, 2014 12:35 am
Forum: Problem Solving
Topic: Rectangular cube Diagram
Replies: 7
Views: 1913