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If 1 kilometer is approximately 0.6 mile, which of the

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If 1 kilometer is approximately 0.6 mile, which of the [#permalink] New post 15 Oct 2012, 03:28
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If 1 kilometer is approximately 0.6 mile, which of the following best approximates the number of kilometers in 2 miles?

(A) 10/3
(B) 3
(C) 6/5
(D) 1/3
(E) 3/10

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Page: 160
Difficulty: 550
[Reveal] Spoiler: OA

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Re: If 1 kilometer is approximately 0.6 mile, which of the [#permalink] New post 15 Oct 2012, 03:29
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SOLUTION

If 1 kilometer is approximately 0.6 mile, which of the following best approximates the number of kilometers in 2 miles?

(A) 10/3
(B) 3
(C) 6/5
(D) 1/3
(E) 3/10

1 kilometer = 6/10 mile --> 1 mile = 1/(6/10) = 10/6 kilometer;
2 miles = 2*10/6 = 10/3 kilometers.

Answer: A.
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Re: If 1 kilometer is approximately 0.6 mile, which of the [#permalink] New post 15 Oct 2012, 03:37
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No of kilometer in 1 mile = 1/0.6 = 10/6
No of kilometer in 2 mile = 2* 10/6 = 10/3

Answer A
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Re: If 1 kilometer is approximately 0.6 mile, which of the [#permalink] New post 15 Oct 2012, 10:01
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Since 0.6 miles = 1 km
=> 1 mile = 1/0.6 KM
=> 2 miles = 2*1/0.6 = 20/6 = 10/3 KMs

Hence A.

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The Official Guide for GMAT® Review, 13th Edition - Quantitative Questions Project

If 1 kilometer is approximately 0.6 mile, which of the following best approximates the number of kilometers in 2 miles?

(A) 10/3
(B) 3
(C) 6/5
(D) 1/3
(E) 3/10

Practice Questions
Question: 63
Page: 160
Difficulty: 600


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Re: If 1 kilometer is approximately 0.6 mile, which of the [#permalink] New post 15 Oct 2012, 13:11
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Re: If 1 kilometer is approximately 0.6 mile, which of the [#permalink] New post 15 Oct 2012, 14:39
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Option A : 10/3

0.6 mile = 1 km
=> 2.0 mile = ? km
=> x = 2/0.6
= 10/3 km or 3.333 km

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Re: If 1 kilometer is approximately 0.6 mile, which of the [#permalink] New post 16 Oct 2012, 02:13
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1 km 0.6 mile
X 2 mile

so cross multiply we get

2=0.6X
X=10/3

Answer A
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Re: If 1 kilometer is approximately 0.6 mile, which of the [#permalink] New post 19 Oct 2012, 03:30
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SOLUTION

If 1 kilometer is approximately 0.6 mile, which of the following best approximates the number of kilometers in 2 miles?

(A) 10/3
(B) 3
(C) 6/5
(D) 1/3
(E) 3/10

1 kilometer = 6/10 mile --> 1 mile = 1/(6/10) = 10/6 kilometer;
2 miles = 2*10/6 = 10/3 kilometers.

Answer: A.

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NEW TO MATH FORUM? PLEASE READ THIS: ALL YOU NEED FOR QUANT!!!

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RESOURCES: [GMAT MATH BOOK]; 1. Triangles; 2. Polygons; 3. Coordinate Geometry; 4. Factorials; 5. Circles; 6. Number Theory; 7. Remainders; 8. Overlapping Sets; 9. PDF of Math Book; 10. Remainders; 11. GMAT Prep Software Analysis NEW!!!; 12. SEVEN SAMURAI OF 2012 (BEST DISCUSSIONS) NEW!!!; 12. Tricky questions from previous years. NEW!!!;

COLLECTION OF QUESTIONS:
PS: 1. Tough and Tricky questions; 2. Hard questions; 3. Hard questions part 2; 4. Standard deviation; 5. Tough Problem Solving Questions With Solutions; 6. Probability and Combinations Questions With Solutions; 7 Tough and tricky exponents and roots questions; 8 12 Easy Pieces (or not?); 9 Bakers' Dozen; 10 Algebra set. ,11 Mixed Questions, 12 Fresh Meat

DS: 1. DS tough questions; 2. DS tough questions part 2; 3. DS tough questions part 3; 4. DS Standard deviation; 5. Inequalities; 6. 700+ GMAT Data Sufficiency Questions With Explanations; 7 Tough and tricky exponents and roots questions; 8 The Discreet Charm of the DS ; 9 Devil's Dozen!!!; 10 Number Properties set., 11 New DS set.


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Re: If 1 kilometer is approximately 0.6 mile, which of the   [#permalink] 19 Oct 2012, 03:30
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