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Answers by richa07
3
votes
1
GATE Overflow | Mathematics | Test 1 | Question: 2
Four couples decide to form a committee of four members. The number of different committees that can be formed in which no couple finds a place is? 10 12 14 16
Four couples decide to form a committee of four members. The number of different committees that can be formed in which no couple finds a place is? 10121416
735
views
answered
Oct 14, 2016
Combinatory
go-mathematics-1
combinatory
+
–
5
votes
2
GATE Overflow | Data Structures | Test 1 | Question: 9
Which of the following statements is false? A tree with $n$ nodes has $n-1$ edges A labeled rooted binary tree can be uniquely constructed given its in-order and pre-order traversal results. A complete binary tree with $n$ internal nodes has $n+1$ ... tree of height $h$ is $2^{h+1} - 1$ where $h$ is the maximum distance of a node from root.
Which of the following statements is false?A tree with $n$ nodes has $n-1$ edgesA labeled rooted binary tree can be uniquely constructed given its in-order and pre-order ...
1.1k
views
answered
Oct 13, 2016
DS
go-ds-1
data-structures
binary-tree
+
–
3
votes
3
GATE Overflow | Data Structures | Test 1 | Question: 8
What is the number of binary trees with $4$ nodes which when traversed in pre-order gives the sequence A, B, C, D?
What is the number of binary trees with $4$ nodes which when traversed in pre-order gives the sequence A, B, C, D?
831
views
answered
Oct 13, 2016
DS
go-ds-1
data-structures
binary-tree
numerical-answers
+
–
7
votes
4
GATE Overflow | Data Structures | Test 1 | Question: 7
A $2-3$ tree is a tree such that all internal nodes have either 2 or 3 children all paths from root to the leaves have the same length. The maximum number of nodes of a 2-3 tree having 9 leaves is ___
A $2-3$ tree is a tree such thatall internal nodes have either 2 or 3 childrenall paths from root to the leaves have the same length.The maximum number of nodes of a 2-3 ...
1.2k
views
answered
Oct 13, 2016
DS
go-ds-1
data-structures
numerical-answers
tree
+
–
85
votes
5
GATE CSE 2007 | Question: 24
Suppose we uniformly and randomly select a permutation from the $20 !$ permutations of $1, 2, 3\ldots ,20.$ What is the probability that $2$ appears at an earlier position than any other even number in the selected permutation? $\left(\dfrac{1}{2} \right)$ $\left(\dfrac{1}{10}\right)$ $\left(\dfrac{9!}{20!}\right)$ None of these
Suppose we uniformly and randomly select a permutation from the $20 !$ permutations of $1, 2, 3\ldots ,20.$ What is the probability that $2$ appears at an earlier positio...
15.2k
views
answered
Jun 9, 2016
Probability
gatecse-2007
probability
easy
uniform-distribution
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–
0
votes
6
probability
QUESTION 8 : A bag contains 5 balls out of which some or maybe all are black. 2 balls are drawn from the bag and both are found to be black. What is the probability that all balls in the bag are black?
QUESTION 8 : A bag contains 5 balls out of which some or maybe all are black. 2 balls are drawn from the bag and both are found to be black. What is the probability that ...
623
views
answered
Jun 2, 2016
0
votes
7
probability
QUESTION 8 : A bag contains 5 balls out of which some or maybe all are black. 2 balls are drawn from the bag and both are found to be black. What is the probability that all balls in the bag are black?
QUESTION 8 : A bag contains 5 balls out of which some or maybe all are black. 2 balls are drawn from the bag and both are found to be black. What is the probability that ...
623
views
answered
Jun 2, 2016
9
votes
8
GATE2014 AG: GA-6
In a group of four children, Som is younger to Riaz. Shiv is elder to Ansu. Ansu is youngest in the group. Which of the following statements is/are required to find the eldest child in the group? Statements 1. Shiv is younger to Riaz. 2. Shiv is ... and $2$ are both required to determine the eldest child. Statements $1$ and $2$ are not sufficient to determine the eldest child.
In a group of four children, Som is younger to Riaz. Shiv is elder to Ansu. Ansu is youngest in the group. Which of the following statements is/are required to find the e...
3.3k
views
answered
Mar 30, 2016
Analytical Aptitude
gate2014-ag
analytical-aptitude
logical-reasoning
normal
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–
0
votes
9
GATE2013 CE: GA-6
$X$ and $Y$ are two positive real numbers such that $2X+Y \leq 6$ and $X + 2Y \leq 8.$For which of the following values of $(X,Y)$ the function $f(X,Y)=3X + 6Y$ will give maximum value ? $\left(\dfrac{4}{3} , \dfrac{10}{3}\right)$ $\left(\dfrac{8}{3} , \dfrac{20}{3}\right)$ $\left(\dfrac{8}{3} , \dfrac{10}{3}\right)$ $\left(\dfrac{4}{3} , \dfrac{20}{3}\right)$
$X$ and $Y$ are two positive real numbers such that $2X+Y \leq 6$ and $X + 2Y \leq 8.$For which of the following values of $(X,Y)$ the function $f(X,Y)=3X + 6Y$ will give...
3.1k
views
answered
Feb 26, 2016
Quantitative Aptitude
gate2013-ce
quantitative-aptitude
maxima-minima
+
–
5
votes
10
GATE2013 CE: GA-8
Following table provides figures(in rupees) on annual expenditure of a firm for two years -$2010$ and $2011$ ... material and Salary & wages. Salary & wages and Advertising. Power & fuel and Advertising. Raw material and research & Development.
Following table provides figures(in rupees) on annual expenditure of a firm for two years -$2010$ and $2011$.$$\begin{array}{|l|r|r|} \hline \textbf{Category} & \textbf{2...
2.3k
views
answered
Feb 26, 2016
Quantitative Aptitude
quantitative-aptitude
gate2013-ce
data-interpretation
normal
tabular-data
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–
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