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Angle subtended by arcs are equal. Angle OQP = Angle ORP = 35 degree Angle subtended by the arc at the centre is twice the angle made by the intersecting chords. =>The angle subtended at centre is 70 degree. Since the diameter and other chord are parallel, and if C is the centre of the circle, angle...

by ronnie1985

Tue Jun 19, 2012 8:34 pm
Forum: Problem Solving
Topic: Geometry
Replies: 5
Views: 1665

Circumference = 20pi mile
Distance covered in 10 hrs by A = 20 miles
Remaining distance to be covered to complete the circle = 20pi-20 miles
Time = (20pi-20)/5 hrs (5 =3+2, the rel velocity of cars)
To cover 12 more miles, time = 12/5 hr

Total = 10+(20pi-20+12)/5 = 4pi+8.4

(B) is the answer.

by ronnie1985

Sat Jun 16, 2012 2:20 am
Forum: Problem Solving
Topic: excellent PS - Manhattan GMAT mock
Replies: 2
Views: 1354

This sentence tests the subject verb agreement (Numbers) and pronoun ambiguity. (D) clears all the mistakes.

by ronnie1985

Mon Jun 11, 2012 12:57 am
Forum: Sentence Correction
Topic: Spicy
Replies: 151
Views: 70568

Given: Only Directors and Managers are there. To find: No of Directors Solution: Let Directors = D Managers = M Salary (avg) of Directors = Sd Salary (avg) of Managers = Sm S1: Sm = (Sd*D+Sm*M)/(D+M)-5000 N S S2: Sd = (Sd*D+Sm*M)/(D+M)+15000 NS Comb Relation between Sm and Sd can be obtained which w...

by ronnie1985

Sat Jun 09, 2012 10:58 am
Forum: Data Sufficiency
Topic: DS: Finding percents from averages
Replies: 4
Views: 1250

A = 1.35*B

S1:B=given value. No info about A next year. NS

S2: A = 0.65*1.35B = (x)B x is known. Suff to answer a yes or no

(B)

by ronnie1985

Sat Jun 09, 2012 10:48 am
Forum: Data Sufficiency
Topic: DS variables
Replies: 9
Views: 1405

Perimeter = 2*pi*r = 6.28*r (approx)
S1. AB = 2r (dia) and CD = r
2(AB+CD) = 6*r<6.28*r
Suff

x = 90 gives no info about relation between dia AB and CD = > Not Suff

(A)

by ronnie1985

Sat Jun 09, 2012 10:45 am
Forum: Data Sufficiency
Topic: Circle
Replies: 3
Views: 1172

God explanation by bblast

by ronnie1985

Sat Jun 09, 2012 10:15 am
Forum: Data Sufficiency
Topic: Tough knewton DS
Replies: 11
Views: 1904
by ronnie1985

Sat Jun 09, 2012 10:12 am
Forum: Data Sufficiency
Topic: DS - Hundredths & Tenths
Replies: 2
Views: 1067

Difficult RC Question

While atomism, a natural philosophy common to numerous ancient traditions including Jainism and Greek metaphysics, revolves around an idea of the atom fundamentally similar to our unit of modern physics, the (5) philosophical apprehension of the term is altogether more abstract. While the philosophi...

by ronnie1985

Tue May 29, 2012 6:56 am
Forum: Reading Comprehension
Topic: Difficult RC Question
Replies: 1
Views: 1319
by ronnie1985

Mon May 28, 2012 12:30 am
Forum: Sentence Correction
Topic: London Bomb
Replies: 7
Views: 1632

(C) is good as it clearly references the other restaurants.

This is a construction is preferred by GMAT.

by ronnie1985

Mon May 28, 2012 12:19 am
Forum: Sentence Correction
Topic: Princeton SC - Pronoun Ambiguity - 2/3 split
Replies: 8
Views: 1757

Example: Supposed reality and supposedly real. Here both supposed and supposedly are acting as adjective, but their meaning are miles apart. hence focus on the meaning of the word in the sentence before going into grammatical erors. In the sentences both Mediterranean Predecessors and Tropical resor...

by ronnie1985

Sun May 27, 2012 10:59 pm
Forum: Sentence Correction
Topic: How to differentiate Noun Phrase from Adjective
Replies: 5
Views: 2260

Check if the word with -ing is working as progressive or gerund

by ronnie1985

Sun May 27, 2012 10:37 pm
Forum: Sentence Correction
Topic: OG Question parallelism
Replies: 6
Views: 2203
by ronnie1985

Sun May 27, 2012 10:20 pm
Forum: Critical Reasoning
Topic: same cannot be question again...
Replies: 1
Views: 1021

(A) is the only assumption which is likely to be true.

by ronnie1985

Sun May 27, 2012 10:13 pm
Forum: Critical Reasoning
Topic: Gmatprep CR
Replies: 3
Views: 1252