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

A teacher has two jars of candy on her desk:

Jar 1: Contains 3 Strawberry candies and 2 Orange candies.

Jar 2: Contains 1 Strawberry candy and 4 Orange candies.

The teacher randomly picks two candies from Jar 1 and drops them into Jar 2.

Then, a student reaches into Jar 2 and picks two candies.

What is the probability that the student picks two Strawberry candies?

A

$\frac{6}{35}$

B

$\frac{4}{21}$

C

$\frac{3}{70}$

D

$\frac{1}{14}$

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

$$ \text { The direction ratios of the vector }(\hat{\imath}+\hat{\jmath}) \times(\hat{\jmath}+\hat{k}) \text { are } $$

A

$$ 1,0,1 $$

B

$$ 1,-1,1 $$

C

$$ 1,1,-1 $$

D

$$ 0,1,0 $$

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

The product of three numbers in geometric progression is 8 and the sum of the product of the numbers taken in pairs is 14 . Find the numbers.

A

$$ 4,2,1 \text { and } 1,2,4 $$

B

$\frac{1}{4}, \frac{1}{2}, 1$ and $1, \frac{1}{2}, \frac{1}{4}$

C

$4 \sqrt{2}, \sqrt{2}, 1$ and $1, \sqrt{2}, 4 \sqrt{2}$

D

$-4,-2,1$ and $1,-2,-4$

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

$$ \int \frac{x+1}{x\left(1+x e^x\right)} d x= $$

A

$$ \log \left|c x e^x\left(1+x e^x\right)\right| $$

B

$$ \log \left|c x e^x\left(1+x e^x\right)\right| $$

C

$$ \log \left|\frac{c\left(1+x e^x\right)}{x e^x}\right| $$

D

$$ \log \left|\frac{c x e^x}{1+x e^x}\right| $$