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GATE CS 2023 : Engineering Mathematics Revision Quiz
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Question 1
Consider the following system of equation:
Let S1 and S2 be two statement regarding the above system of equation:
S1: if m>n, than system is surely going to have unique solution.
S2: If m<n, system will surely have infinite no of solution.
Which of the following is correct?
Question 2
If A =
and
=
, then
![](https://gradeup-question-images.grdp.co/liveData/PROJ8860/1508321079597955.png)
![](https://gradeup-question-images.grdp.co/liveData/PROJ8860/1508321080354660.png)
![](https://gradeup-question-images.grdp.co/liveData/PROJ8860/1508321081110463.png)
Question 3
In how many ways can we distribute 5 distinct balls, B1, B2, ...., B5 in 5 distinct cells, C1, C2, ..., C5 such that ball Bi is not in cell Ci,
and each cell contains exactly one ball?
![](https://gradeup-question-images.grdp.co/liveData/PROJ11566/1514957950117688.png)
Question 4
Consider the following table:
Assume X is a random variable, The variance of the distribution is
![](https://gs-post-images.grdp.co/2020/3/fxxh-img1583753707527-49.png-rs-high-webp.png)
Assume X is a random variable, The variance of the distribution is
Question 5
The value of Limx->∞ 15+25+ …….+ n5/n6 is ____.(up to 3 decimal places)
Question 6
Let X be a random variable with the following probability distribution.
Expectation of is __________.
Question 7
A function is defined over an open interval x = (1, 3). At least at one point is this interval,
is exactly :
y = 7x2 + 12x
![](https://gradeup-question-images.grdp.co/liveData/PROJ67061/1606884357125861.png)
y = 7x2 + 12x
Question 8
The value of
dx = ______. (Up to 3 decimal places)
![](https://gradeup-question-images.grdp.co/liveData/PROJ67060/1606825768980940.png)
Question 9
Consider the function f (x) =
. The value of
will be __________.
![](https://gradeup-question-images.grdp.co/liveData/PROJ69542/1610003312321587.png)
![](https://gradeup-question-images.grdp.co/liveData/PROJ69542/1610003313078852.png)
Question 10Multiple Correct Options
If the matrix
is singular, then select the all possible values of x ?
![](https://gradeup-question-images.grdp.co/liveData/PROJ70322/161104530632621.png)
Question 11
The number of linearly independent eigen vectors of the identify matrix
is ……… .
![](https://gradeup-question-images.grdp.co/liveData/PROJ62699/1603953656379793.png)
Question 12
Perform the following operations on the matrix
![](https://gradeup-question-images.grdp.co/liveData/PROJ67060/1606825768218638.png)
1) Add the third row to the second row.
2) Subtract the third column from the first column.
The determinant of the resultant matrix is ________.
Question 13
A diagnostic test has a probability 95% of giving a positive result when applied to a person suffering from a certain disease and probability 10% of giving a positive when applied to a no sufferer. It is estimated that 5% of the population are sufferers. Suppose that the test is now administered to a person about whom we have no relevant information regarding to the disease. What is the probability that given a positive result, the person is a sufferer?
Question 14
Consider Vamshi decides to toss a fair coin repeatedly until he gets a tail. He makes almost 4 tosses. The value of variance (T) is ________ (variable T denotes the number of tails).
Question 15
The number of satellites launched worldwide in a month follows Poisson distribution with mean as 6.The probability of launch of less than 3 satellites during a randomly selected month is ________. (Up to 2 decimal places)
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Jun 16GATE & PSU CS