Previous 10 Questions — JAMIA MILLIA ISLAMIA MCA 2022
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The variance of first $50$ even natural numbers is
Topic: JAMIA MILLIA ISLAMIA MCA 2022
The median of a set of $9$ distinctive observations is $20.5$. If each of the largest $4$ observations of the set is in…
Topic: JAMIA MILLIA ISLAMIA MCA 2022
Negation of $,q \vee \sim (p \wedge r),$ is
Topic: JAMIA MILLIA ISLAMIA MCA 2022
Ram secures $100$ marks in maths, then he will get a smartphone.” The converse is:
Topic: JAMIA MILLIA ISLAMIA MCA 2022
If $1,\ \log_{9}!\left(3^{,1-x}+2\right)$ and $\log_{3}!\left(4\cdot 3^{x}-1\right)$ are in A.P., then $x$ equals
Topic: JAMIA MILLIA ISLAMIA MCA 2022
In a sequence of $21$ terms, the first $11$ terms are in A.P. with common difference $2$ and the last $11$ terms are in…
Topic: JAMIA MILLIA ISLAMIA MCA 2022
If $x,\ 2x + 2,\ 3x + 3$ are in G.P., then the 4th term is:
Topic: JAMIA MILLIA ISLAMIA MCA 2022
The sum of 3 numbers in A.P. is $-3$ and their product is $8$.
Then the sum of squares of the numbers is:
Topic: JAMIA MILLIA ISLAMIA MCA 2022
Let two fair six-faced dice $A$ and $B$ be thrown simultaneously.
Let $E_1$ be the event that die $A$ shows 4,
$E_2$ th…
Topic: JAMIA MILLIA ISLAMIA MCA 2022
At any time, the total number of people on the earth who have shaken hands an odd number of times is:
Topic: JAMIA MILLIA ISLAMIA MCA 2022
Next 10 Questions — JAMIA MILLIA ISLAMIA MCA 2022
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Marks obtained by $4$ students are: $25,35,45,55$. The average deviation from the mean is
Topic: JAMIA MILLIA ISLAMIA MCA 2022
The numbers $3, 5, 7, 4$ have frequencies $x, x+4, x-3, x+8$.
If their arithmetic mean is $4$, then the value of $x$ is:
Topic: JAMIA MILLIA ISLAMIA MCA 2022
For two datasets each of size $5$, variances are $4$ and $5$ and means are $2$ and $4$ respectively.
The variance of th…
Topic: JAMIA MILLIA ISLAMIA MCA 2022
If $
\begin{vmatrix}
x & 3 & 6 \\
3 & 6 & x \\
6 & x & 3
\end{vmatrix}
=
\begin{vmatrix}
2 & x & 7 \\
x & 7 & 2 \\
7 & …
Topic: JAMIA MILLIA ISLAMIA MCA 2022
If $
\begin{vmatrix}
a & p & x \\
b & q & y \\
c & r & z
\end{vmatrix}
= 16
$, then the value of
$
\begin{vmatrix}
p+q…
Topic: JAMIA MILLIA ISLAMIA MCA 2022
If $
\begin{vmatrix}
x & 3 & 6 \\
3 & 6 & x \\
6 & x & 3
\end{vmatrix}
=
\begin{vmatrix}
2 & x & 7 \\
x & 7 & 2 \\
7 & …
Topic: JAMIA MILLIA ISLAMIA MCA 2022
Evaluate the following integral:
$
\int_{-2}^{2} \frac{3x^3 + 2|x| + 1}{x^2 + |x| + 1}\,dx
$
Topic: JAMIA MILLIA ISLAMIA MCA 2022
If $A,B,C$ are angles of a triangle, then the value of
$
\begin{vmatrix}
\sin 2A & \sin C & \sin B \\
\sin C & \sin 2B…
Topic: JAMIA MILLIA ISLAMIA MCA 2022
Evaluate the following integral:
$
\int_{-\pi/2}^{\pi/2} \log\!\left(\frac{2-\sin x}{2+\sin x}\right)\,dx
$
Topic: JAMIA MILLIA ISLAMIA MCA 2022
Solve the differential equation: $x\,\dfrac{dy}{dx}+1=0;\; y(-1)=0$
Topic: JAMIA MILLIA ISLAMIA MCA 2022
