1
KCET 2026
MCQ (Single Correct Answer)
+1
-0
If $f(x) = \begin{cases} x^2 - 1 & \text{if } x \geq 2 \\ x + 1 & \text{if } x < 2 \end{cases}$, then $\lim\limits_{x \to 1} f(x) + \lim\limits_{x \to 2} f(x) = $
A
$3$
B
$5$
C
$7$
D
$9$
2
KCET 2026
MCQ (Single Correct Answer)
+1
-0
If $\lim\limits_{x \to 3}\left(\dfrac{x^2 - ax - 3b}{x - 3}\right) = 5$, then $a + b = $
A
$1$
B
$2$
C
$3$
D
$4$
3
KCET 2026
MCQ (Single Correct Answer)
+1
-0
The mean and standard deviation of $100$ items are $50$ and $4$, respectively then the sum of all squares of the items is
A
$250000$
B
$251600$
C
$256100$
D
$265100$
4
KCET 2026
MCQ (Single Correct Answer)
+1
-0
Let R be the relation in the set $\mathbb{N}$ given by $R = \{(a, b) : a = b - 2, b > 6\}$. Which of the following is the correct answer?
A
$(2, 4) \in R$
B
$(3, 8) \in R$
C
$(6, 8) \in R$
D
$(8, 7) \in R$