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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: 1356
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: 70612
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: 1252
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: 1407
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: 1189
- by ronnie1985
Sat Jun 09, 2012 10:15 am- Forum: Data Sufficiency
- Topic: Tough knewton DS
- Replies: 11
- Views: 1905
- by ronnie1985
Sat Jun 09, 2012 10:12 am- Forum: Data Sufficiency
- Topic: DS - Hundredths & Tenths
- Replies: 2
- Views: 1068
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: 1635
(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: 1759
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: 2288
- 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
- by ronnie1985
Sun May 27, 2012 10:13 pm- Forum: Critical Reasoning
- Topic: Gmatprep CR
- Replies: 3
- Views: 1254