GO BioTechnology
Login
Register
@
Dark Mode
Profile
Edit my Profile
Messages
My favorites
Register
Activity
Questions
Unanswered
Tags
Subjects
Users
Ask
New Blog
Blogs
Exams
Dark Mode
GATE2018-GA-9
gatecse
asked
in
Quantitative Aptitude
Feb 20, 2018
recategorized
Mar 17, 2021
by
Lakshman Patel RJIT
0
votes
0
votes
If $x^2 + x – 1 = 0$ what is the value of $x^4 + \dfrac{1}{x^4}$?
$1$
$5$
$7$
$9$
gate2018
numerical-ability
algebra
gatecse
asked
in
Quantitative Aptitude
Feb 20, 2018
recategorized
Mar 17, 2021
by
Lakshman Patel RJIT
by
gatecse
1.4k
points
answer
comment
share this
share
0 Comments
Please
log in
or
register
to add a comment.
Please
log in
or
register
to answer this question.
0
Answers
Answer:
C
Related questions
0
votes
0
votes
0
answers
1
Milicevic3306
asked
in
Quantitative Aptitude
Mar 26, 2018
GATE2016-GA-9
The binary operation $\square$ is defined as $a \square b = ab+(a+b)$, where $a$ and $b$ are any two real numbers. The value of the identity element of this operation, defined as the number $x$ such that $a \square x = a$, for any $a$, is $0$ $1$ $2$ $10$
Milicevic3306
asked
in
Quantitative Aptitude
Mar 26, 2018
by
Milicevic3306
7.9k
points
gate2016
numerical-ability
algebra
0
votes
0
votes
0
answers
2
gatecse
asked
in
Quantitative Aptitude
Feb 20, 2018
GATE2018-GA-10
In a detailed study of annual crow births in India, it was found that there was relatively no growth during the period $2002$ to $2004$ and a sudden spike from $2004$ to $2005$. In another unrelated study, it was found that the revenue from ... rate. If cracker sale declines, crow birth will decline. Increased birth rate of crows will cause an increase in the sale of crackers.
gatecse
asked
in
Quantitative Aptitude
Feb 20, 2018
by
gatecse
1.4k
points
gate2018
numerical-ability
data-interpretation
graphical-data
0
votes
0
votes
0
answers
3
gatecse
asked
in
Quantitative Aptitude
Feb 20, 2018
GATE2018-GA-8
To pass a test, a candidate needs to answer at least $2$ out of $3$ questions correctly. A total of $6,30,000$ candidates appeared for the test. Question A was correctly answered by $3,30,000$ candidates. Question B was answered correctly by $2,50,000$ candidates. ... the number answering none, how many candidates failed to clear the test? $30,000$ $2,70,000$ $3,90,000$ $4,20,000$
gatecse
asked
in
Quantitative Aptitude
Feb 20, 2018
by
gatecse
1.4k
points
gate2018
numerical-ability
counting
0
votes
0
votes
0
answers
4
gatecse
asked
in
Quantitative Aptitude
Feb 20, 2018
GATE2018-GA-7
A set of $4$ parallel lines intersect with another set of $5$ parallel lines. How many parallelograms are formed? $2$0$ $48$ $60$ $72$
gatecse
asked
in
Quantitative Aptitude
Feb 20, 2018
by
gatecse
1.4k
points
gate2018
numerical-ability
counting
0
votes
0
votes
0
answers
5
gatecse
asked
in
Quantitative Aptitude
Feb 20, 2018
GATE2018-GA-6
An automobile travels from city A to city B and returns to city A by the same route. The speed of the vehicle during the onward and return journeys were constant at $60$ km/h and 90 km/h, respectively. What is the average speed in km/h for the entire journey? $72$ $73$ $74$ $75$
gatecse
asked
in
Quantitative Aptitude
Feb 20, 2018
by
gatecse
1.4k
points
gate2018
numerical-ability
speed-time-distance
Welcome to GATE BioTechnology, where you can ask questions and receive answers from other members of the community.
Twitter
WhatsApp
Facebook
Reddit
LinkedIn
Email
Link Copied!
Copy