Mean and variance of 12 observations are $ \frac{9}{2} $ and $4$ respectively. Later it was observed that two observations were considered $9$ and $10$ instead of $7$ and $14$ respectively. If the correct variance is $ \frac{m}{n} $ where $m$ and $n$ are coprime, then $m+n$ is
Previous 10 Questions — CUET MCA 2026
Nearest first
1
2
3
4
5
6
7
8
9
10
Occurrence of an event is usually signaled by interrupt from software by actuating special operation called-
Topic: CUET MCA 2026
Column A
Statement
Column B
Expression
A
Neither A nor B
I
$(A \cap \overline{B}) \cup (\overline{A} \cap B)$
B
At …
Topic: CUET MCA 2026
In a university there are total 100 students. 15 offered mathematics only, 12 offered statistics only, 8 offered physic…
Topic: CUET MCA 2026
Which of the following option is false about circles whose equations
$ x^2 + y^2 - 10x - 10y + 41 = 0 $ and
$ x^2 + y^…
Topic: CUET MCA 2026
Arrange the following in decreasing order (based on determinant value).A. $
\begin{vmatrix}
1 & 3 & 5\\
2 & 6 & 10\\
31…
Topic: CUET MCA 2026
Find the area of the region $ {(x,y): x^2 \le y \le x } $.
Topic: CUET MCA 2026
Matching
Column A
Column B
A. $ \frac{d}{dx}(\cos^{-1}x) $
I. $ -\frac{1}{1+x^2} $
B. $ \frac{d}{dx}(\cot^{-1}x) $…
Topic: CUET MCA 2026
Which of the following is a universal logic gate.
Topic: CUET MCA 2026
Find the $?$ in the given series:
240, ?, 120, 40, 10, 2
Topic: CUET MCA 2026
In memory management which of the following allows non-contiguous memory allocation?
Topic: CUET MCA 2026
Next 10 Questions — CUET MCA 2026
Ascending by ID
1
2
3
4
5
6
7
8
9
10
Which of the following is false about
$ \lim_{y \to 0} \frac{\sqrt{1+\sqrt{1+y^4}}-\sqrt{2}}{y^4} $ (A) limit exis…
Topic: CUET MCA 2026
Arrange the following in sequence to find variance of individual observation. (A) compute $ \bar{X} $ of observati…
Topic: CUET MCA 2026
Which of the following is correct? (A) In directed graph sum of length of all adjacency list is $|E|$ (B) The…
Topic: CUET MCA 2026
Matching
Column A
Column B
A. $(\sqrt{2}+1)+1+(\sqrt{2}-1)+\ldots \infty$
IV. $\frac{4+3\sqrt{2}}{2}$
B. $ \frac{…
Topic: CUET MCA 2026
If $S, T$ are symmetric matrices of the same order, then which of the following statements are true? (A) $S + T$ i…
Topic: CUET MCA 2026
Matching
Column A
Column B
A. BFS
I. Shortest Path
B. Sparse graph
II. Adjacency list representation
C. Collisi…
Topic: CUET MCA 2026
Consider procedure list search (L, K) to find the first element with key K in list L by simple linear search, returning…
Topic: CUET MCA 2026
The curves $x = y^2$ and $xy = k$ cut at right angle. Find the value of $k$. (a) $ \frac{1}{2\sqrt{2}} $ (b) …
Topic: CUET MCA 2026
The foci of hyperbola coincide with foci of ellipse
$ \frac{x^2}{25} + \frac{y^2}{9} = 1 $.
So the equation of hyperbol…
Topic: CUET MCA 2026
Semaphore operation in sequence for producer processes in bounded buffer problem using semaphore empty, full, mutex&nbs…
Topic: CUET MCA 2026
