1
COMEDK 2026 Afternoon Shift
MCQ (Single Correct Answer)
+1
-0

The function $\boldsymbol{f}(\boldsymbol{x})=|\boldsymbol{x}|+|\boldsymbol{x}-\mathbf{1}|$ is:

A

Neither differentiable at $x=0$ nor $x=1$

B

Differentiable at $x=0$ but not at $x=1$

C

Differentiable at $x=1$ but not at $x=0$

D

Differentiable at $x=0$ and $x=1$

2
COMEDK 2026 Afternoon Shift
MCQ (Single Correct Answer)
+1
-0

A company is migrating its database, and two software engineers, Ishaan and Kavya, take turns running a data-sync script that has a constant success rate of $\frac{3}{8}$ per attempt.

If Ishaan initiates the first attempt and they persist until the migration is successful, what is the probability that Kavya is the one who initiates the successful sync?

A

$\frac{5}{13}$

B

$\frac{8}{11}$

C

$\frac{8}{13}$

D

$\frac{3}{11}$

3
COMEDK 2026 Afternoon Shift
MCQ (Single Correct Answer)
+1
-0

Given the sets $A=\{1,2,3\} ; B=\{2,3,5\}$ and $C=\{4,5,6\}$ identify which of the following statement is incorrect.

A

$B-C=\{2,3\}$

B

$n[(A \cup B) \cap(B \cap C)]=1$

C

$(A \cap B) \cup C=A \cap(B \cup C)$

D

$(A \cap B) \cap C=\emptyset$

4
COMEDK 2026 Afternoon Shift
MCQ (Single Correct Answer)
+1
-0

$$ \int\left(\sin ^6 x+\cos ^6 x+3 \sin ^2 x \cos ^2 x\right) d x= $$

A

$-\frac{3}{2} \cos 2 x+C$

B

$\frac{2}{3} x+C$

C

$x+C$

D

$\frac{3}{2} \sin 2 x+C$