The number 571+572+573 can be expressed as the products of 3

Oldest

Best Reply

Author

Message

TAGS:

Intern

Joined: 25 Nov 2012

Posts: 8

Followers: 0

Kudos [?]: 0 [0], given: 0

The number 571+572+573 can be expressed as the products of 3 [#permalink]

26 Nov 2012, 05:03

00:00

Question Stats:

100% (01:00) correct

0% (00:00) wrong

based on 2 sessions

The number 571+572+573 can be expressed as the products of 3 consecutive integers. What is the sum of these 3 consecutive integers?

A. 32
B. 33
C. 34
D. 35
E. 36

GMAT Club team member

Joined: 02 Sep 2009

Posts: 12081

Followers: 1876

Kudos [?]: 10078 [1] , given: 955

Re: The number 571+572+573 cab be expressed [#permalink]

26 Nov 2012, 05:19

This post received
KUDOS

tinashine20 wrote:

The number 571+572+573 can be expressed as the products of 3 consecutive integers. What is the sum of these 3 consecutive integers?

A. 32
B. 33
C. 34
D. 35
E. 36

571+572+573 = 3*572 = 3*(2^2*11*13) = 11*12*13 --> 11+12+13 = 36.

Answer: E.

P.S. Please provide OA's for the questions.
_________________

PLEASE READ AND FOLLOW: 11 Rules for Posting!!!

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

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. NEW!!! ,11 Mixed Questions NEW!!!, 12 Fresh Meat NEW!!!

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. NEW!!!, 11 New DS set. NEW!!!

What are GMAT Club Tests?
25 extra-hard Quant Tests

Find out what's new at GMAT Club - latest features and updates

Intern

Joined: 25 Nov 2012

Posts: 8

Followers: 0

Kudos [?]: 0 [0], given: 0

Re: The number 571+572+573 cab be expressed [#permalink]

26 Nov 2012, 05:33

Sir, question was asked in the class test paper so OA is not provided.

Senior Manager

Joined: 13 Aug 2012

Posts: 468

Followers: 13

Kudos [?]: 88 [0], given: 11

Re: The number 571+572+573 can be expressed as the products of 3 [#permalink]

20 Dec 2012, 00:37

tinashine20 wrote:

The number 571+572+573 can be expressed as the products of 3 consecutive integers. What is the sum of these 3 consecutive integers?

A. 32
B. 33
C. 34
D. 35
E. 36

=571+572+573=1716=(13)(11)(2)(2)(3)

after seeing 11 and 13, I knew the third should be 12 without calculating rem. factors.

=11+12+13= 36

Answer: E

Re: The number 571+572+573 can be expressed as the products of 3 [#permalink] 20 Dec 2012, 00:37

		Similar topics	Author	Replies	Last post
Similar Topics:		How many positive integers can be expressed as a product of	tzec76	3	06 Dec 2003, 22:56
		Can the positive integer p be expressed as the product of	circkit	3	14 Nov 2007, 05:05
		Can the positive integer x be expressed as the product of	tarek99	2	01 Feb 2008, 03:39
		Can the positive integer p be expressed as the product of	alimad	4	30 Jun 2008, 07:10
	1	Can the positive integer 'p' be expressed as the product of	klb15	10	12 Aug 2008, 06:32

The number 571+572+573 can be expressed as the products of 3

Main navigation

GMAT Resources

Partners

MBA Resources

GMAT ® is a registered trademark of the Graduate Management Admission Council ® (GMAC ®). GMAT Club's website has not been reviewed or endorsed by GMAC.

GMAT Courses

Admissions Consulting

The number 571+572+573 can be expressed as the products of 3

The number 571+572+573 can be expressed as the products of 3

Main navigation

GMAT Resources

Partners

MBA Resources