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Answers by KrishnaGupta
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DRDO CSE 2022 Paper 2 | Question: 14
A relational database contains two tables movie, and genre, in which movie table has columns movie_no, movie_name, and genre_id, while genre table has columns genre_id, and genre_name. Following insert statements were executed successfully to populate the ... How many rows and columns will be retrieved by the following SQL statement? Select * from movie, genre
A relational database contains two tables movie, and genre, in which movie table has columns movie_no, movie_name, and genre_id, while genre table has columns genre_id, a...
403
views
answered
Jul 8, 2023
Databases
drdocse-2022-paper2
databases
sql
5-marks
descriptive
+
–
2
votes
2
GO Classes CS 2025 | Weekly Quiz 3 | Propositional Logic | Question: 7
Which of the following logical arguments is/are valid? $\begin{aligned} & P \rightarrow(Q \rightarrow R) \\ & \neg R \\ \therefore & \neg P \\ & \end{aligned}$ ...
Which of the following logical arguments is/are valid?$\begin{aligned} & P \rightarrow(Q \rightarrow R) \\ & \neg R \\ \therefore & \neg P \\ & \end{aligned}$$\begin{alig...
538
views
answered
Apr 7, 2023
Mathematical Logic
goclasses2025_cs_wq3
goclasses
mathematical-logic
propositional-logic
multiple-selects
2-marks
+
–
2
votes
3
GO Classes 2024 | Weekly Quiz 7 | Linear Algebra | Question: 10
Let $A=\begin{pmatrix}1 & 2 & 1 & 0 & 0 \\ 1 & 2 & 2 & 2 & 3 \\ -1 & -2 & 0 & 2 & 3\end{pmatrix}$ What will be the $\text{rank(A)}?$ $1$ $2$ $3$ $5$
Let $A=\begin{pmatrix}1 & 2 & 1 & 0 & 0 \\ 1 & 2 & 2 & 2 & 3 \\ -1 & -2 & 0 & 2 & 3\end{pmatrix}$What will be the $\text{rank(A)}?$$1$$2$$3$$5$
717
views
answered
Apr 7, 2023
Linear Algebra
goclasses2024_wq7
goclasses
linear-algebra
rank-of-matrix
1-mark
+
–
0
votes
4
GO Classes CS 2025 | Weekly Quiz 2 | Propositional Logic | Question: 10
In propositional logic if $\left ( P \rightarrow Q \right )\wedge \left ( R \rightarrow S \right )$ and $\left ( P \vee R \right )$ are two premises such that $\begin{array}{c} (P \to Q) \wedge (R \to S) \\ P \vee R \\ \hline Y \\ \hline \end{array}$ $Y$ is the premise : $P \vee R$ $P \vee S$ $Q \vee R$ $Q \vee S$
In propositional logic if $\left ( P \rightarrow Q \right )\wedge \left ( R \rightarrow S \right )$ and $\left ( P \vee R \right )$ are two premises such that$$\begin{arr...
1.1k
views
answered
Mar 27, 2023
Mathematical Logic
goclasses2025_cs_wq2
goclasses
mathematical-logic
propositional-logic
multiple-selects
2-marks
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–
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