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Answers by chetna
30
votes
1
GATE IT 2004 | Question: 4
Let $R_{1}$ be a relation from $A = \left \{ 1,3,5,7 \right \}$ to $B = \left \{ 2,4,6,8 \right \}$ and $R_{2}$ be another relation from $B$ to $C = \{1, 2, 3, 4\}$ as defined below: An element $x$ in $A$ is related to an element $y$ in $B$ (under $R_{1}$) if $x + y$ is ... $R_{1}R_{2} = \{(3, 2), (3, 4), (5, 1), (5, 3), (7, 1)\} $
Let $R_{1}$ be a relation from $A = \left \{ 1,3,5,7 \right \}$ to $B = \left \{ 2,4,6,8 \right \}$ and $R_{2}$ be another relation from $B$ to $C = \{1, 2, 3, 4\}$ as de...
10.1k
views
answered
Jan 29, 2015
Set Theory & Algebra
gateit-2004
set-theory&algebra
relations
normal
+
–
0
votes
2
Disk Scheduling algorithm
Which scheduling algorithm is optimum among the following disk scheduling algorithm in most of cases? a)FCFS b)SSTF c)SCAN d)LOOK Also please give reason
Which scheduling algorithm is optimum among the following disk scheduling algorithm in most of cases?a)FCFSb)SSTFc)SCANd)LOOKAlso please give reason
2.6k
views
answered
Jan 23, 2015
3
votes
3
GATE CSE 2014 Set 2 | Question: GA-6
The old city of Koenigsberg, which had a German majority population before World War 2, is now called Kaliningrad. After the events of the war, Kaliningrad is now a Russian territory and has a predominantly Russian population. It is bordered ... , as that was its original Russian name Poland and Lithuania are on the route from Kaliningrad to the rest of Russia
The old city of Koenigsberg, which had a German majority population before World War 2, is now called Kaliningrad. After the events of the war, Kaliningrad is now a Russi...
2.4k
views
answered
Jan 23, 2015
Verbal Aptitude
gatecse-2014-set2
verbal-aptitude
passage-reading
normal
+
–
0
votes
4
GATE CSE 2014 Set 2 | Question: GA-7
Number of people diagnosed with dengue fever (contracted from the bite of a mosquito) in North India is twice the number diagnosed last year. Municipal authorities have concluded that measures to control the mosquito population have failed ... diagnostic test The number of people with malarial fever (also contracted from mosquito bites) has increased this year
Number of people diagnosed with dengue fever (contracted from the bite of a mosquito) in North India is twice the number diagnosed last year. Municipal authorities have c...
3.0k
views
answered
Jan 23, 2015
Verbal Aptitude
gatecse-2014-set2
verbal-aptitude
passage-reading
normal
+
–
38
votes
5
GATE CSE 2009 | Question: 24
The binary operation $\Box$ ... following is equivalent to $P \vee Q$? $\neg Q \Box \neg P$ $P\Box \neg Q$ $\neg P\Box Q$ $\neg P\Box \neg Q$
The binary operation $\Box$ is defined as follows$$\begin{array}{|c|c|c|} \hline \textbf{P} & \textbf{Q} & \textbf{P} \Box \textbf{Q}\\\hline \text{T} & \text{T}& \text{T...
8.5k
views
answered
Jan 22, 2015
Mathematical Logic
gatecse-2009
mathematical-logic
easy
propositional-logic
+
–
–4
votes
6
GATE IT 2005 | Question: 34
Let $n =$ $p^{2}q$, where $p$ and $q$ are distinct prime numbers. How many numbers m satisfy $1 ≤ m ≤ n$ and $gcd$ $(m, n) = 1?$ Note that $gcd$ $(m, n)$ is the greatest common divisor of $m$ and $n$. $p(q - 1)$ $pq$ $\left ( p^{2}-1 \right ) (q - 1)$ $p(p - 1) (q - 1)$
Let $n =$ $p^{2}q$, where $p$ and $q$ are distinct prime numbers. How many numbers m satisfy $1 ≤ m ≤ n$ and $gcd$ $(m, n) = 1?$ Note that $gcd$ $(m, n)$ is the great...
8.0k
views
answered
Nov 7, 2014
Set Theory & Algebra
gateit-2005
set-theory&algebra
normal
number-theory
+
–
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