MAH MCA CET (Maharashtra) Practice Quiz

Question 1

If $A=\{1,2,3\}$ and $B=\{2,3,4\}$, then $A\cap B$ is:

Accepted Answer

$\{2,3\}$

Question 2

The sum of the first $n$ natural numbers $1+2+\cdots+n$ equals:

Accepted Answer

$\frac{n(n+1)}{2}$

Question 3

For the quadratic $x^2-5x+6=0$, the sum of the roots is:

Accepted Answer

5

Question 4

The determinant of the $2\times2$ matrix $\begin{pmatrix}3&2\1&4\end{pmatrix}$ is:

Accepted Answer

10

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