Last visit was: 10 Jun 2024, 10:35 It is currently 10 Jun 2024, 10:35
Decision Tracker
My Rewards
Unanswered
Active Topics
New posts
New comers' posts
Close
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
Your Progress

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
Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.
Go to My Error Log Learn more
Close
Request Expert Reply
Confirm Cancel

Two adjacent angles of a parallelogram are in the ratio of 1:3. What i

SORT BY:
Date
Kudos
Tags:
Find Similar Topics 
Show Tags
Hide Tags
User avatar
L
Bunuel
Math Expert
Joined: 02 Sep 2009
Posts: 93637
Own Kudos [?]: 630661 [0]
Given Kudos: 82217
Send PM
CAT Tests Forum Quiz Mode
Two adjacent angles of a parallelogram are in the ratio of 1:3. What i [#permalink] Two adjacent angles of a parallelogram are in the ratio of 1:3. What i   10 Sep 2019, 23:11
Expert Reply
00:00
A
B
C
D
E

Difficulty:

15% (low)

Question Stats:

96% (00:39) correct 4% (00:48) wrong based on 24 sessions
Hide Show DIFFICULTY AND TIMER STATISTICS
Two adjacent angles of a parallelogram are in the ratio of 1:3. What is the smaller angle of the two?

A. 30.
B. 45.
C. 90.
D. 135.
E. 180.
ShowHide Answer
Official Answer
B
avatar
S
nishthagupta
Manager
Manager
Joined: 14 May 2018
Posts: 75
Own Kudos [?]: 69 [0]
Given Kudos: 100
Send PM
Re: Two adjacent angles of a parallelogram are in the ratio of 1:3. What i [#permalink] Two adjacent angles of a parallelogram are in the ratio of 1:3. What i   11 Sep 2019, 00:55
The sum of two adjacent angles of a parallelogram is 180.

let the unknown variable be x

so, x+3x=180

4x=180

x= 45

Ans: 45(b)
User avatar
L
Abhishek009
Board of Directors
Joined: 11 Jun 2011
Status:QA & VA Forum Moderator
Posts: 6065
Own Kudos [?]: 4732 [0]
Given Kudos: 463
Location: India
GPA: 3.5
WE:Business Development (Commercial Banking)
Send PM
GMAT ToolKit User
Re: Two adjacent angles of a parallelogram are in the ratio of 1:3. What i [#permalink] Two adjacent angles of a parallelogram are in the ratio of 1:3. What i   11 Sep 2019, 09:00
Bunuel wrote:
Two adjacent angles of a parallelogram are in the ratio of 1:3. What is the smaller angle of the two?

A. 30.
B. 45.
C. 90.
D. 135.
E. 180.

The measures of the adjacent angles of a parallelogram add up to be 180 degrees

So, The smallest Angle must be \(\frac{1}{(1+3)}*180 = 45\) , Answer must be (B) 45
User avatar
L
ScottTargetTestPrep
Target Test Prep Representative
Joined: 14 Oct 2015
Status:Founder & CEO
Affiliations: Target Test Prep
Posts: 18980
Own Kudos [?]: 22416 [0]
Given Kudos: 286
Location: United States (CA)
Send PM
Re: Two adjacent angles of a parallelogram are in the ratio of 1:3. What i [#permalink] Two adjacent angles of a parallelogram are in the ratio of 1:3. What i   12 Sep 2019, 20:14
Expert Reply
Bunuel wrote:
Two adjacent angles of a parallelogram are in the ratio of 1:3. What is the smaller angle of the two?

A. 30.
B. 45.
C. 90.
D. 135.
E. 180.


We can create the equation:

x + 3x = 180

4x =180

x = 45

So, the smaller angle is 45.

Answer: B
GMAT Club Bot
gmatclubot
Re: Two adjacent angles of a parallelogram are in the ratio of 1:3. What i [#permalink]
12 Sep 2019, 20:14
Moderator:
Bunuel
Math Expert
93637 posts