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Recent questions in Engineering Mathematics
1
votes
1
answer
8261
probability
Explain this question . what they mean ? A six faced die is so biased that, when thrown, it is twice as likely to show an even number than an odd number. if it is thrown twice, what is the probability that sum of two numbers thrown is odd ans = 4/9
Explain this question . what they mean ?A six faced die is so biased that, when thrown, it is twice as likely to show an even number than an odd number. if it is thrown t...
tiger
658
views
tiger
asked
Nov 27, 2015
2
votes
1
answer
8262
permutation
How many ways are there to seat six people around circular table where two seatings are considered same when everyone has same two neighbors without regard to whether they are left or right neighbors?
How many ways are there to seat six people around circular table where two seatings are considered same when everyone has same two neighbors without regard to whether the...
Pooja Palod
546
views
Pooja Palod
asked
Nov 26, 2015
3
votes
1
answer
8263
How to solve such problem?
How many solution exist for x+y+z=10 with 1<=x<4 1<=y<=7 and z>1
How many solution exist for x+y+z=10 with 1<=x<4 1<=y<=7 and z>1
prathams
774
views
prathams
asked
Nov 26, 2015
Combinatory
combinatory
+
–
2
votes
1
answer
8264
permutation and combination
in how many ways 10 identical blue marbles and 5 identical green marbles be arranged in a row so that no two green marbles are together??
in how many ways 10 identical blue marbles and 5 identical green marbles be arranged in a row so that no two green marbles are together??
Tendua
1.0k
views
Tendua
asked
Nov 26, 2015
Combinatory
combinatory
+
–
1
votes
2
answers
8265
How many possible outcomes are there when 5 similar dices are rolled ?
In this question If I consider first total no of outcomes as 6^5 , then I divided it be 6C5 *5! since there are 5 similar dices so the outcome (1 2 3 4 5 ) will be similar to (5 4 3 2 1) . Now what's wrong with this approach ?
In this question If I consider first total no of outcomes as 6^5 , then I divided it be 6C5 *5! since there are 5 similar dices so the outcome (1 2 3 4 5 ) will be simil...
radha gogia
1.8k
views
radha gogia
asked
Nov 26, 2015
1
votes
2
answers
8266
ellipse
what is major axis in elllipse
what is major axis in elllipse
deepika gaur
385
views
deepika gaur
asked
Nov 25, 2015
Mathematical Logic
numerical-answers
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–
2
votes
2
answers
8267
Suppose the element a,b in a group satisfies aba-1=b2 for b<>e
worst_engineer
5.0k
views
worst_engineer
asked
Nov 25, 2015
Set Theory & Algebra
set-theory&algebra
engineering-mathematics
+
–
1
votes
1
answer
8268
Probability:You are given a deck of fifty two cards which have printed on them a pair of symbols
You are given a deck of fifty two cards which have printed on them a pair of symbols: an integer between 1 and 13, followed by one of the letters “S,” “H,” ... them, but otherwise all cards are randomly distributed. Now what is the average cost of finding [11,H]?
You are given a deck of fifty two cards which have printed on them a pair of symbols: an integer between 1 and 13, followed by one of the letters “S,” “...
Prasanna
548
views
Prasanna
asked
Nov 24, 2015
Probability
probability
algorithms
+
–
1
votes
1
answer
8269
Combinatorics
Every Sunday, Bill makes lunches for Carolyn. Lunch consists of a sandwich, a fruit, and a desert. Sandwich is either ham and cheese, peanut butter and jelly, egg salad, or tuna fish. Fruit is either an apple, an orange, or a coconut. Desert is either pretzels ... not like to have egg salad with apple pie, or tuna fish with an apple, then how many lunches can Bill make for Carolyn.
Every Sunday, Bill makes lunches for Carolyn. Lunch consists of a sandwich, a fruit, and a desert. Sandwich is either ham and cheese, peanut butter and jelly, egg salad, ...
Prasanna
402
views
Prasanna
asked
Nov 24, 2015
Combinatory
combinatory
+
–
3
votes
1
answer
8270
How to solve this recurrence relation?
Solve the equation: $a_n = 5a_{n/3} + 7, \;\; a_1 = 5$ Note: $a_0$ is not given.
Solve the equation: $$a_n = 5a_{n/3} + 7, \;\; a_1 = 5$$Note: $a_0$ is not given.
sampad
521
views
sampad
asked
Nov 23, 2015
Combinatory
recurrence-relation
+
–
4
votes
2
answers
8271
What is the maximum value of $\dfrac{e^{\sin x}}{e^{\cos x}}$ where $x$ is a real number?
radha gogia
6.0k
views
radha gogia
asked
Nov 22, 2015
Calculus
calculus
maxima-minima
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–
1
votes
1
answer
8272
How to solve below question on probability ?
A group consists of equal no of men and women .of this grp 20% of men and 50% of women are unemployed .If a person is selected at random from this group ,the probability of the selected person being employed is ____________ For this I did P(E)=P(M∩ E) +P( ... 5 so we get P(E)= 1/2 * 0.8 +1/2*0.5 =13/10 where is the mistake , answer given is 65% .
A group consists of equal no of men and women .of this grp 20% of men and 50% of women are unemployed .If a person is selected at random from this group ,the probability ...
radha gogia
2.2k
views
radha gogia
asked
Nov 22, 2015
Probability
probability
+
–
1
votes
1
answer
8273
Recurrence relation
does gate syllabus include RECURRENCE EQUATION.!!! if it is ,could any one recommend me link for good material for the same!!!
does gate syllabus include RECURRENCE EQUATION.!!! if it is ,could any one recommend me link for good material for the same!!!
richa116
1.1k
views
richa116
asked
Nov 21, 2015
1
votes
1
answer
8274
VARIANCE
The mean of 100 observation is 50 and there standard deviation is 5. The sum of all squares of all the observation is 1) 50000 2) 250000 3) 252500 4) 25500
The mean of 100 observation is 50 and there standard deviation is 5. The sum of all squares of all the observation is1) 500002) 2500003) 2525004) 25500
priti
850
views
priti
asked
Nov 21, 2015
Probability
variance
+
–
1
votes
0
answers
8275
??
How many nonisomorphic simple graphs are there with n vertices,
How many nonisomorphic simple graphs are there with nvertices,
Hira Thakur
484
views
Hira Thakur
asked
Nov 21, 2015
1
votes
2
answers
8276
Variance
consider the first 10 positive integers . If we multiply each number by -1 and then add 1 to each number , the variance of the numbers so obtained is 1) 6.5 2) 8.25 3) 3.87 4) 2.87
consider the first 10 positive integers . If we multiply each number by -1 and then add 1 to each number , the variance of the numbers so obtained is1) 6.52) 8.253) 3.874...
priti
790
views
priti
asked
Nov 21, 2015
Probability
variance
+
–
1
votes
1
answer
8277
Rosen 8.2.54.
If G is a simple graph with 15 edges and $\bar{G}$ has 13 edges, how many vertices does G have?
If G is a simple graph with 15 edges and $\bar{G}$ has 13 edges, how many vertices does G have?
Hira Thakur
4.4k
views
Hira Thakur
asked
Nov 21, 2015
Graph Theory
graph-theory
discrete-mathematics
kenneth-rosen
+
–
3
votes
2
answers
8278
how to draw the graph for this problem??
how many numbers of edges if the degree of sequence is 5,2,2,2,2,1.... how can we draw the graph for this problem??? there is any formula for such type of problem???
how many numbers of edges if the degree of sequence is 5,2,2,2,2,1.... how can we draw the graph for this problem??? there is any formula for such type of problem???
Hira Thakur
867
views
Hira Thakur
asked
Nov 21, 2015
1
votes
0
answers
8279
how to cheak given grpah is complet bipertee graph
Hira Thakur
294
views
Hira Thakur
asked
Nov 21, 2015
1
votes
1
answer
8280
Relation between graphs
Is there is any relation between bipartite graph, complete bipartite and planar graph?
Is there is any relation between bipartite graph, complete bipartite and planar graph?
Hira Thakur
470
views
Hira Thakur
asked
Nov 21, 2015
Graph Theory
graph-theory
bipartite-graph
graph-connectivity
descriptive
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