1
AP EAPCET 2025 - 22nd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Let $f: N \rightarrow N$ be a function such that $f(x+y)=f(x)+f(y)+x y$ for every $x, y \in N$. If $f(\mathbb{l})=2$, then $\sum_{k=0}^{10} f(k)=$

A

1650

B

275

C

550

D

1025

2
AP EAPCET 2025 - 22nd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

If a real valued function $f:[-1,2] \rightarrow B$ defined by

$$ f(x)= \begin{cases}1-x, & \text { when }-1 \leq x \leq 1 \\ x-1, & \text { when } 1 < x \leq 2\end{cases} $$

is a surjection, then $B=$

A

$[-1,2]$

B

$[-1,1]$

C

$[0,2]$

D

$[0,1]$

3
AP EAPCET 2025 - 22nd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

For all $n \in N, \frac{3^n-1}{2} \geq$

A

$n^2\left(2^{\frac{n}{2}}\right)$

B

$n^2\left(3^{\frac{n-1}{2}}\right)$

C

$n^3\left(3^{\frac{n-1}{2}}\right)$

D

$n\left(3^{\frac{n-1}{2}}\right)$

4
AP EAPCET 2025 - 22nd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

The value of $p$ and $q$ is that system of equations $2 x+p y+6 z=8, x+2 y+q z=5$ and $x+y+3 z=4$ may have no solution are

A

$p \neq 2, q=3$

B

$p \neq 2, q \neq 3$

C

$p=2, q=\frac{15}{4}$

D

$p=2, q=3$