Answers by pankaj_vir - GATE Overflow

+2 votes

1

Rakesh yadav
every day a mango seller sells half his stock, 10% of the stock overnight gets spoiled. if 1983 mangoes rotted over 3 nights then how many did hi start with on the first day ?

answered Aug 9, 2018 in Verbal Ability | 395 views

0 votes

2

answered Aug 3, 2018 in Verbal Ability | 68 views

+2 votes

3

Problem solving
Two students appeared at an explanation. One of them secured 9 marks more than the other and his marks was 56% of the sum of their marks. The marks obtained by them are?

answered Aug 3, 2018 in Numerical Ability | 62 views

0 votes

4

Average
Smiths's marks were wrongly entered as 83 instead of 63. Due to that the average marks for the class got increased by half(1/2). The number of students in the class is?

answered Aug 3, 2018 in Numerical Ability | 49 views

+2 votes

5

ISRO2016- EC Calculus
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answered May 21, 2018 in Calculus | 119 views

+1 vote

6

kennneth rosen chapter- counting
1. Find the coefficient of $x^{10}$ in the power series. $\left ( 1+x^{2}+x^{4}+x^{6}+x^{8}+.... \right )\left ( 1+x^{4}+x^{8}+x^{12}+.... \right )\left ( 1+x^{6}+x^{12}+x^{18}+.... \right )$ ... ........now not able to proceed. 2.Provide a closed formula for the sequence it determines x2+3x+7+(1/(1-x2))

answered May 18, 2018 in Combinatory | 220 views

+2 votes

7

Generating Function
Find $\left [ x^{50} \right ]$ $\left ( x^{6}+x^{7}+x^{8}+.... \right )^{6}$

answered May 18, 2018 in Combinatory | 144 views

+4 votes

8

GATE2016 ME-2: GA-5
A window is made up of a square portion and an equilateral triangle portion above it. The base of the triangular portion coincides with the upper side of the square. If the perimeter of the window is $6$ m, the area of the window in $m^{2}$ is ___________. $1.43$ $2.06$ $2.68$ $2.88$

answered May 17, 2018 in Numerical Ability | 1.7k views

+1 vote

9

Regular grrammar
S->abA A->baB B->aA|bb convert this to left linear grammar

answered May 17, 2018 in Theory of Computation | 86 views

+2 votes

10

Peter Linz 2.1.7(g)
Draw a DFA $L = \left \{ w : |w| mod 3 = 0, |w| \neq 6 \right \}$

answered May 14, 2018 in Theory of Computation | 70 views

+2 votes

11

Some Other Rules of Boolean Algebra
Prove LHS=RHS in A + ĀB = A +B using theorems and laws of Boolean Algebra.

answered May 14, 2018 in Digital Logic | 40 views

0 votes

12

answered May 13, 2018 in Mathematical Logic | 69 views

+10 votes

13

ISI2018-MMA-4
The number of common terms in the two sequences $\{ 3,7,11, \ldots , 407\}$ and $\{2,9,16,\ldots ,709\}$ is $13$ $14$ $15$ $16$

answered May 13, 2018 in Numerical Ability | 348 views

+3 votes

14

final value of semaphore
There are Three processesP1,P2,P3 sharing a semaphore for synchronizing a variable, Initial value of semaphore is one. Assume that negative value of semaphore tells us how many processes are waiting in queue. Processes access the semphore in following order a. P2 needs to access ... e. P1 exits critical section The final value of semaphore will be 1. 0 2. 1 3. -1 4. -2

answered May 13, 2018 in Operating System | 284 views

0 votes

15

Algebra
Solve for x - 10x2 - 29x + 10 = 0 Provide the steps.

answered May 12, 2018 in Numerical Ability | 76 views

+1 vote

16

MadeEasy Workbook: General Aptitude - Simple Interest
Below is the question - The answer given is - d What is the method to solve the question?

answered May 12, 2018 in Numerical Ability | 197 views

+2 votes

17

#csa#written_test
If A3 =0 , then det of A-3I = ?

answered May 11, 2018 in Mathematical Logic | 72 views

+3 votes

18

addressing modes

answered May 11, 2018 in CO and Architecture | 210 views

0 votes

19

MadeEasy Workbook: General Aptitude - Profit Loss
This was one of the formula given in the "profit and loss" chapter of made eady booklet - reasoning and aptitude. How do we derive this formula?

answered May 11, 2018 in Numerical Ability | 169 views

+2 votes

20

UNDER keyword in SQL
UNDER keyword in SQL is used to define a)subtype b)grouping of 2 tables c)union of two tables d)intersection of 2 tables

answered May 11, 2018 in Databases | 69 views

+1 vote

21

answered May 11, 2018 in Algorithms | 78 views

0 votes

22

Doubt
Consider A be a 2-dimensional array declared as follows: A[15] [15] of integers. Assume each integer take 1B. The array stored in row major order and first element of array is stored at location 1000, then the address of element a[10] [6] is ________ B.

answered May 10, 2018 in Programming | 49 views

0 votes

23

answered May 8, 2018 in Mathematical Logic | 49 views

0 votes

24

answered May 8, 2018 in Mathematical Logic | 96 views

0 votes

25

Evaluation of Postfix expression using stack
What is time and space complexity to evaluate postfix expression ?

answered May 6, 2018 in DS | 412 views

+1 vote

26

Pls give it's solution now.

answered May 6, 2018 in Digital Logic | 55 views

0 votes

27

queue datastructure
Consider the following code to reverse the elements of the Queue temp=dequeue(Queue); enqueue(temp,Queue); Reverse(Queue); Reverse(dequeue(Queue)); temp=dequeue(Queue); enqueue(temp,Queue); temp=dequeue(Queue); Reverse(Queue); enqueue(temp,Queue); None of above

answered May 5, 2018 in Programming and DS | 47 views

+2 votes

28

c programming
#include <stdio.h> void f(char**); int main() { char *argv[] = { "ab", "cd", "ef", "gh", "ij", "kl" }; f(argv); return 0; } void f(char **p) { char *t; t = (p += sizeof(int))[-1]; printf("%s\n", t); } can anyone explain this program?

answered May 3, 2018 in Programming | 97 views

0 votes

29

pointers and structures
what will be output printed?

answered May 3, 2018 in Programming | 149 views

+4 votes

30

c programming
#include<stdio.h> main() { int a[][3] = {1, 2, 3, 4, 5, 6}; int (*ptr)[3] = a; printf("%d %d ", (*ptr)[1], (*ptr)[2]); ++ptr; printf("%d %d\n", (*ptr)[1], (*ptr)[2]); return 0; } explain this program?

answered May 2, 2018 in Programming | 67 views

0 votes

31

#Rosen Mathematics Question
Let U = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}, and the ordering of elements of U has the elements in increasing order; that is, ai = i. What bit strings represent the subset of all odd integers in U, the subset of all even integers in U, and the subset of integers not exceeding 5 in U?

answered May 1, 2018 in Mathematical Logic | 56 views

+1 vote

32

time complexity
$f(n)=2n^2+ n log n$ $g(n)= \dfrac{n}{logn} + log^2n$ then $f(n)\times g(n)$ is: $n^2logn$ $\dfrac{n^3}{logn}$ $n^3log^2n$ $n^2log^2n$

answered Apr 30, 2018 in Algorithms | 84 views

+1 vote

33

MadeEasy Test Series: Algorithms - Greedy Algorithm
Consider the following message: The number of bits required for huffman encoding of the above message are __________? My Strategy:- But the answer given is 52bits i used standard Algorithem Made Easy Solution :-

answered Apr 30, 2018 in Algorithms | 221 views

+3 votes

34

Made Easy - Reasoning and Aptitude, GATE 2018 ESE 2018
What is the remainder of 5100/7? Answer is given as 2. What is the proper method to get it?

answered Apr 30, 2018 in Numerical Ability | 337 views

+2 votes

35

MadeEasy Test Series 2018: Computer Networks - Network Security
Consider the following services in network security: 1. Authentication of message 2. Integrity 3. Privacy 4. Non repudiation Which of the security services is/are not provided by digital signature?

answered Apr 30, 2018 in Computer Networks | 160 views

+2 votes

36

c programming
#include<stdio.h> main() { static int a=1; ++a; printf("%d",a); if(a<=3) main(); printf("%d",a); } output: $234444$ i m not getting how extra two 4 is coming?

answered Apr 30, 2018 in Programming | 120 views

+1 vote

37

Mean Value Theorem ( Lagrange's), How to take Domain in this type of questions?)

answered Apr 30, 2018 in Calculus | 155 views

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