GMAT Question of the Day: Daily via email | Daily via Instagram New to GMAT Club? Watch this Video

 It is currently 31 Mar 2020, 00:21

### GMAT Club Daily Prep

#### Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.

Customized
for You

we will pick new questions that match your level based on your Timer History

Track

every week, we’ll send you an estimated GMAT score based on your performance

Practice
Pays

we will pick new questions that match your level based on your Timer History

# 3^5 + 3^5 + 3^5 = ?

Author Message
TAGS:

### Hide Tags

Math Expert
Joined: 02 Sep 2009
Posts: 62357
3^5 + 3^5 + 3^5 = ?  [#permalink]

### Show Tags

06 Feb 2020, 08:20
00:00

Difficulty:

25% (medium)

Question Stats:

73% (00:46) correct 27% (01:09) wrong based on 54 sessions

### HideShow timer Statistics

$$3^5 + 3^5 + 3^5 = ?$$

A. $$9^3$$

B. $$9^4$$

C. $$9^5$$

D. $$9^6$$

E. $$9^{15}$$

_________________
GMAT Club Legend
Joined: 11 Sep 2015
Posts: 4551
GMAT 1: 770 Q49 V46
Re: 3^5 + 3^5 + 3^5 = ?  [#permalink]

### Show Tags

06 Feb 2020, 08:26
Top Contributor
Bunuel wrote:
$$3^5 + 3^5 + 3^5 = ?$$

A. $$9^3$$

B. $$9^4$$

C. $$9^5$$

D. $$9^6$$

E. $$9^{15}$$

In the same way that k + k + k = 3k, we know that 3⁵ + 3⁵ + 3⁵ = 3(3⁵)

3(3⁵) = (3⁵) = 3⁶ = (3²)³ = 9³

Cheers,
Brent
_________________
Test confidently with gmatprepnow.com
Senior Manager
Status: So far only Dreams i have!!
Joined: 05 Jan 2015
Posts: 284
WE: Consulting (Consulting)
Re: 3^5 + 3^5 + 3^5 = ?  [#permalink]

### Show Tags

07 Feb 2020, 00:46
Option A!

$$3^5 + 3^5 + 3^5 = 3*(3^5) => 3^6 or (3^2)^3$$

= $$(9)^3$$
_________________
Unable to Give Up!
Target Test Prep Representative
Status: Founder & CEO
Affiliations: Target Test Prep
Joined: 14 Oct 2015
Posts: 9903
Location: United States (CA)
Re: 3^5 + 3^5 + 3^5 = ?  [#permalink]

### Show Tags

08 Feb 2020, 12:21
Bunuel wrote:
$$3^5 + 3^5 + 3^5 = ?$$

A. $$9^3$$

B. $$9^4$$

C. $$9^5$$

D. $$9^6$$

E. $$9^{15}$$

3^5 + 3^5 + 3^5 = 3^5(1 + 1 + 1) = 3^5 x 3 = 3^6 = (3^2)^3 = 9^3

_________________

# Scott Woodbury-Stewart

Founder and CEO

Scott@TargetTestPrep.com
197 Reviews

5-star rated online GMAT quant
self study course

See why Target Test Prep is the top rated GMAT quant course on GMAT Club. Read Our Reviews

If you find one of my posts helpful, please take a moment to click on the "Kudos" button.

Re: 3^5 + 3^5 + 3^5 = ?   [#permalink] 08 Feb 2020, 12:21
Display posts from previous: Sort by