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Answers by pankaj_vir

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81
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17 votes
83
GATE CSE 1990 | Question: 2-iv
Match the pairs in the following questions: ...
Match the pairs in the following questions:$$\begin{array}{|ll|ll|}\hline (a) & \text{Secondary index} & (p) & \text{Function dependency} \\\hline (b) & \text{Non-proced...
1 votes
86
Long integer multiplication
Given 2 long integers having n digits , it is required to multiply them.Assuming the numbers are represented in an array of size n . The time complexity to multiply them using traditional divide and conquer is
Given 2 long integers having n digits , it is required to multiply them.Assuming the numbers are represented in an array of size n . The time complexity to multiply them ...
2 votes
87
C PROGRAMMING
#include<stdio.h> int main() { int a = 12; void *ptr = (int *)&a; printf("%d", *ptr); getchar(); return 0; } A 12 B Compiler Error C Runt Time Error D 0
#include<stdio.h int main() { int a = 12; void *ptr = (int *)&a; printf("%d", *ptr); getchar(); return 0; }A12BCompiler ErrorCRunt Time ErrorD0
1 votes
88
Calculus- +2math book
If an = 1000*n /n!, for n = 1, 2, 3, ...., then the sequence {an } (a) doesn't have a maximum (b) attains maximum at exactly one value of n (c) attains maximum at exactly two values of n (d) attains maximum for infinitely many values of n
If an = 1000*n /n!, for n = 1, 2, 3, ...., then the sequence {an }(a) doesn't have a maximum(b) attains maximum at exactly one value of n(c) attains maximum at exactly tw...
1 votes
89
Integration
5 votes
90
Generating functions
What will be the coefficient of x^17 in the expansion of (x+x^2+x^3+x^4+x^5+x^6)^4?
What will be the coefficient of x^17 in the expansion of (x+x^2+x^3+x^4+x^5+x^6)^4?
6 votes
91
GATE CSE 2016 Set 1 | Question: 27
Consider the recurrence relation $a_1 =8 , a_n =6n^2 +2n+a_{n-1}$. Let $a_{99}=K\times 10^4$. The value of $K$ is __________.
Consider the recurrence relation $a_1 =8 , a_n =6n^2 +2n+a_{n-1}$. Let $a_{99}=K\times 10^4$. The value of $K$ is __________.
1 votes
93
Programming
printf("%d",20/3.2); or printf("%i",20.0/3); or %u // why does it prints garbage value Could someone explain(or provide info) about format specifiers %d, %s, %f.... in detail in C
printf("%d",20/3.2); or printf("%i",20.0/3); or %u // why does it prints garbage value Could someone explain(or provide info) about format specifiers %d, %s, %f.....
6 votes
94
ISI-2016-04
If $a,b,c$ and $d$ satisfy the equations $a+7b+3c+5d =16$ $8a+4b+6c+2d = -16$ $2a+6b+4c+8d = 16$ $5a+3b+7c+d= -16$ Then $(a+d)(b+c)$ equals $-4$ $0$ $16$ $-16$
If $a,b,c$ and $d$ satisfy the equations$a+7b+3c+5d =16$$8a+4b+6c+2d = -16$$2a+6b+4c+8d = 16$$5a+3b+7c+d= -16$Then $(a+d)(b+c)$ equals$-4$$0$$16$$-16$
1 votes
95
test series
pointers question, can someone please explain me solution
pointers question, can someone please explain me solution
1 votes
97
testseries
Data structure for loop. What is oxf ? can somebody explain
Data structure for loop. What is oxf ? can somebody explain
1 votes
98
Fibnocii heap
what is Potential function in Fibonacci heap (i dont remember the question ) plz explain with example
what is Potential function in Fibonacci heap (i dont remember the question ) plz explain with example
3 votes
99
Gate2009
What is minimum no of 2 to 1 MUX required to generate 2 input AND gate and 2 input ExOR gate A) 1& 2 B)1&3 C)1&1 D)2&2
What is minimum no of 2 to 1 MUX required to generate 2 input AND gate and 2 input ExOR gate A) 1& 2B)1&3C)1&1D)2&2
2 votes
100
probability
From a pack of $52$ cards, all the face cards are removed and four cards are drawn. Then the probability that they are of different suit and different denomination is
From a pack of $52$ cards, all the face cards are removed and four cards are drawn. Then the probability that they are of different suit and different denomination is
4 votes
101
IEEE floating Point
In IEEE floationg point representation, the hexadecimal number $0xC0000000$ corresponds to ? $-3.0$ $-1.0$ $-4.0$ $-2.0$
In IEEE floationg point representation, the hexadecimal number $0xC0000000$ corresponds to ?$-3.0$$-1.0$$-4.0$$-2.0$
0 votes
102
The square of the binary number 1001 in hexadecimal is
The square of the binary number 1001 in hexadecimal is a. 81 b. 51 c. 121 d. A1
The square of the binary number 1001 in hexadecimal is a. 81 b. 51 c. 121 d. A1
0 votes
103
Digital Logic
Convert $1100101110011011$ in binary to hexadecimal
Convert $1100101110011011$ in binary to hexadecimal
21 votes
105
ISI2017-MMA-5
If $A$ is a $2 \times 2$ matrix such that trace $A = det \ A = 3,$ then what is the trace of $A^{-1}$? $1$ $\left(\dfrac{1}{3}\right)$ $\left(\dfrac{1}{6}\right)$ $\left(\dfrac{1}{2}\right)$
If $A$ is a $2 \times 2$ matrix such that trace $A = det \ A = 3,$ then what is the trace of $A^{-1}$?$1$$\left(\dfrac{1}{3}\right)$$\left(\dfrac{1}{6}\right)$$\left(\dfr...
2 votes
106
Gate PI 2012
A fair coin is tossed till a head appears for the first time.The probability that the number of required tossed is odd,is $\left(\dfrac{1}{3}\right)$ $\left(\dfrac{1}{2}\right)$ $\left(\dfrac{2}{3}\right)$ $\left(\dfrac{3}{4}\right)$
A fair coin is tossed till a head appears for the first time.The probability that the number of required tossed is odd,is$\left(\dfrac{1}{3}\right)$$\left(\dfrac{1}{2}\ri...
1 votes
107
Gate probability
Two players,$A$ and $B$,alternately keep rolling a fare dice.The person to get six first wins the game.Given that player $A$ starts the game,the probability that $A$ wins the game is $5/11$ $1/2$ $7/13$ $6/11$
Two players,$A$ and $B$,alternately keep rolling a fare dice.The person to get six first wins the game.Given that player $A$ starts the game,the probability that $A$ wins...
1 votes
108
Gate probability
A party of n persons take their seats at random at a round table,then the probability that two specified person do not sit together is $\left(\dfrac{2}{n-1}\right)$ $\left(\dfrac{n-3}{n-1}\right)$ $\left(\dfrac{n-2}{n-1}\right)$ $\left(\dfrac{1}{n-1}\right)$
A party of n persons take their seats at random at a round table,then the probability that two specified person do not sit together is$\left(\dfrac{2}{n-1}\right)$$\left(...
8 votes
110
ISI2017-MMA-14
Let $(v_n)$ be a sequence defined by $v_1 = 1$ and $v_{n+1} = \sqrt{v_n^2 +\left(\dfrac{1}{5}\right)^n}$ for $n\geq1$. Then $\displaystyle{\lim_{n \rightarrow \infty}v_n}$ is $\sqrt{5/3}$ $\sqrt{5/4}$ $1$ $\text{non existent}$
Let $(v_n)$ be a sequence defined by $v_1 = 1$ and $v_{n+1} = \sqrt{v_n^2 +\left(\dfrac{1}{5}\right)^n}$ for $n\geq1$. Then $\displaystyle{\lim_{n \rightarrow \infty}v_n}...
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