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Recent activity by Anand Vijayan
272
views
0
answers
mit lectures randomised bst
I am referring to this video https://www.youtube.com/watch?v=vgELyZ9LXX4 at 1:08:39 .$n$ : number of nodes in the tree$Z_{n,k}$ : Indicator random variable that activates...
272
views
asked
Aug 15, 2017
403
views
1
answers
Peterson and Davie Computer networks
Can someone please explain the math in detail.
403
views
answer selected
Aug 4, 2017
3.3k
views
4
answers
TIFR CSE 2016 | Part B | Question: 4
In the following, $A$ stands for a set of apples, and $S(x, y)$ stands for "$x$ is sweeter than $y$. Let$$\Psi \equiv \exists x : x \in A$$$$\Phi \equiv \forall x \in A :...
3.3k
views
commented
Jul 18, 2017
Mathematical Logic
tifr2016
mathematical-logic
first-order-logic
+
–
17.2k
views
7
answers
GATE CSE 2003 | Question: 32
Which of the following is a valid first order formula? (Here \(\alpha\) and \(\beta\) are first order formulae with $x$ as their only free variable)$((∀x)[α] ⇒ (∀x...
17.2k
views
commented
Jul 16, 2017
Mathematical Logic
gatecse-2003
mathematical-logic
first-order-logic
normal
+
–
14.4k
views
6
answers
GATE IT 2008 | Question: 27
$G$ is a simple undirected graph. Some vertices of $G$ are of odd degree. Add a node $v$ to $G$ and make it adjacent to each odd degree vertex of $G$. The resultant graph...
14.4k
views
commented
Jul 12, 2017
Graph Theory
gateit-2008
graph-theory
graph-connectivity
normal
+
–
4.4k
views
7
answers
TIFR CSE 2015 | Part B | Question: 5
Suppose $\begin{pmatrix}0&1 &0&0&0&1 \\1&0&1&0&0&0 \\0&1&0&1&0&1 \\0&0&1&0&1&0 \\0&0&0&1&0&1 \\1&0&1&0&1&0\end{pmatrix}$is the adjacency matrix of an undirected graph...
4.4k
views
commented
Jul 11, 2017
Graph Theory
tifr2015
graph-connectivity
graph-theory
+
–
13.1k
views
9
answers
GATE CSE 2001 | Question: 2.1
How many $4$-digit even numbers have all $4$ digits distinct?$2240$$2296$$2620$$4536$
13.1k
views
commented
Jul 5, 2017
Combinatory
gatecse-2001
combinatory
normal
+
–
586
views
1
answers
binary tree - doubt (in solution given in gatecse blog)
http://gatecse.in/number-of-binary-trees-possible-with-n-nodes/In the first answer (What is the no. of distinct binary trees possible with n labeled nodes?), "An edge can...
586
views
commented
Jul 4, 2017
2.8k
views
4
answers
ISI 2004 MIII
A subset $S$ of set of numbers $\{2,3,4,5,6,7,8,9,10\}$ is said to be good if has exactly $4$ elements and their $gcd=1$, Then number of good subset is$126$$125$$123$$121...
2.8k
views
comment edited
Jul 2, 2017
Combinatory
combinatory
isi2004
discrete-mathematics
normal
+
–
3.2k
views
4
answers
GATE2014 AE: GA-6
Find the odd one in the following group: $\text{ALRVX, EPVZB, ITZDF,OYEIK}$$\text{ALRVX}$$\text{EPVZB}$$\text{ITZDF}$$\text{OYEIK}$
3.2k
views
commented
Jun 2, 2017
Analytical Aptitude
gate2014-ae
odd-one
analytical-aptitude
+
–
454
views
2
answers
ISI 2017
I find alpha <x+y which gives me x+y<2. But the answer is A. Can someone please help. Consider the statement$:$$x(\alpha-x)<y(\alpha-y)$ for all $x,y$ with $0<x<y<1.$The ...
454
views
answered
Apr 1, 2017
Set Theory & Algebra
isi
inequality
+
–
1.9k
views
3
answers
TIFR CSE 2012 | Part A | Question: 11
Let $N$ be the sum of all numbers from $1$ to $1023$ except the five primes numbers: $2, 3, 11, 17, 31.$ Suppose all numbers are represented using two bytes (sixteen bits...
1.9k
views
comment edited
Mar 8, 2017
Digital Logic
tifr2012
digital-logic
number-representation
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–
2.6k
views
4
answers
GATE2011 AG: GA-10
The horse has played a little known but very important role in the field of medicine. Horses were injected with toxins of diseases until their blood built up immunities. ...
2.6k
views
answered
Mar 7, 2017
Verbal Aptitude
general-aptitude
verbal-aptitude
gate2011-ag
passage-reading
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–
4.3k
views
4
answers
GATE2013 AE: GA-2
The Headmaster ___________ to speak to you. Which of the following options is incorrect to complete the above sentence? is wanting wants want was wanting
4.3k
views
answered
Mar 4, 2017
Verbal Aptitude
gate2013-ae
verbal-aptitude
english-grammar
tenses
+
–
510
views
2
answers
Master's theorem
We know that Master's theorem is applicable if for the reccurence relation T(n)=aT(n/b) +Θ(n^k log^p n) ,the conditions: a>=1, b>1, k>=0 and p= any real number are sati...
510
views
answered
Mar 4, 2017
Algorithms
master-theorem
algorithms
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–
550
views
1
answers
ISI 2015 PCB A2
Find all real solutions of the equation $x^{2} - |x-1| - 3 = 0$
550
views
answered
Mar 4, 2017
Others
engineering-mathematics
quadratic-equations
isi2015
+
–
720
views
3
answers
minimum value
If $a, b, c, d$ and $e$ are positive real numbers, then the minimum value of $(a+b+c+d+e)(\frac{1}{a}+\frac{1}{b}+\frac{1}{c}+\frac{1}{d}+\frac{1}{e})$ is$25$$5$$125$Cann...
720
views
answered
Mar 1, 2017
1.7k
views
3
answers
TIFR CSE 2013 | Part A | Question: 1
An infinite two-dimensional pattern is indicated below.The smallest closed figure made by the lines is called a unit triangle. Within every unit triangle, there is a mous...
1.7k
views
commented
Feb 26, 2017
Combinatory
tifr2013
combinatory
counting
+
–
487
views
1
answers
Discrete math
Prove the following: $3 \; | \;\left ( a^2+b^2 \right )$ if and only if $3 \; | \;a$ and $3 \; | \;b$.
487
views
commented
Feb 23, 2017
Set Theory & Algebra
discrete-mathematics
iitg-math
descriptive
non-gate
+
–
2.2k
views
2
answers
Stable sorting algorithms
Show that any comparison based sorting algorithm can be made stable without increasing its complexity beyond a constant factor.
2.2k
views
commented
Feb 23, 2017
Algorithms
algorithms
descriptive
time-complexity
non-gate
+
–
491
views
2
answers
Discrete Math
Prove or disprove the following: for finite sets A and B, $\overline{(A - B) \cup (B - A)} = A \cap B$ . If the proposition is incorrect, do minimal modifications to the ...
491
views
answered
Feb 23, 2017
Set Theory & Algebra
discrete-mathematics
iitg-math
non-gate
descriptive
+
–
372
views
0
answers
IIIT B admission
Is it true that if someone had got more than 1 arrear in btech(even if it was cleared) cant get admission to IIIT-Banglore whatever be the GATE score and CGPA?
372
views
asked
Feb 17, 2017
35.8k
views
7
answers
GATE CSE 2017 Set 1 | Question: 13
Consider the following C code:#include<stdio.h int *assignval (int *x, int val) { *x = val; return x; } void main () { int *x = malloc(sizeof(int)); if (NULL == x) return...
35.8k
views
commented
Feb 15, 2017
Programming in C
gatecse-2017-set1
programming-in-c
programming
pointers
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–
25.5k
views
9
answers
GATE CSE 2017 Set 1 | Question: 53
Consider the following C program.#include<stdio.h #include<string.h void printlength(char *s, char *t) { unsigned int c=0; int len = ((strlen(s) - strlen(t)) c) ? strlen...
25.5k
views
commented
Feb 15, 2017
Programming in C
gatecse-2017-set1
programming
programming-in-c
normal
numerical-answers
+
–
3.3k
views
3
answers
gate 2017 cs just doubt
does Random page replacement algorithm suffers from belady's anomaly?
3.3k
views
commented
Feb 11, 2017
1.4k
views
1
answers
Shai Simonson Video lectures for TOC
In Shai Simonsons video lecture series , the last few videos are titled as follows : Complexity Theory, Quantified Boolean Formula,Savitchs Theorem, Space hierarchy ,Deci...
1.4k
views
answer selected
Feb 9, 2017
831
views
0
answers
gate cs 2005
What is the minimum number of ordered pairs of non-negative numbers that should be chosen to ensure that there are two pairs (a, b) and (c, d) in the chosen set such that...
831
views
commented
Jan 12, 2017
1.9k
views
0
answers
Engg Maths syllabus
Is vector calculus in syllabus???? For gate 2017 cse???Topics like gradient, curl, directional derivative, greens theorem, gauss divergence theorem,..... Are they include...
1.9k
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commented
Jan 10, 2017
2.5k
views
1
answers
geeks for geeks
In a village, people build houses in the same side of the road. A thief plans to loot the village. He wants maximum amount of money without having any risk of getting cau...
2.5k
views
commented
Jan 4, 2017
Algorithms
algorithm-design-technique
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–
928
views
2
answers
testbook test series
What is the variance of random variable X whose value when two fair dice are rolled is X((i,j)) = i + j , where i and j are the numbers appearing on the first and second ...
928
views
answered
Dec 24, 2016
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