Ankit has the option of investing in company A, where 7%, ₹ 100 shares are available at ₹ 120 or in company B, where 8%, ₹ 1000 shares are available at ₹ 1620.

Assertion (A) : Investment in Company A is better than Company B.

Reason (R) : The rate of income in Company A is better than in Company B.

1. Both A and R are correct, and R is the correct explanation for A.

2. Both A and R are correct, and R is not the correct explanation for A.

3. A is false, but R is true.

4. Both A and R are false.

Assertion (A) : x³ + 2x² - x - 2 is a polynomial of degree 3.

Reason (R) : x + 2 is a factor of the polynomial.

1. Both A and R are correct, and R is the correct explanation for A.

2. Both A and R are correct, and R is not the correct explanation for A.

3. A is true, but R is false.

4. Both A and R are true.

When a die is cast with numbering on its faces, as shown, the ratio of the probability of getting a composite number to the probability of getting a prime number is …………… .

1. 2 : 3

2. 3 : 2

3. 1 : 3

4. 1 : 2

The product of A = $\begin{bmatrix$}[r] 1 & -2 \ -3 & 4 \end{bmatrix} and matrix M, AM = B where B = $\begin{bmatrix$}[r] 2 \ 24 \end{bmatrix}, then the order of matrix M is …………… .

1. 2 × 2

2. 2 × 1

3. 1 × 2

4. 4 × 1