Which of the following pairs of linear equations is/are inconsistent?

A. $x - y = 8; 3x - 3y = 16$

B. $3x + 2y = 5; 2x - 3y = 7.$

C. $2x - 2y - 2 = 0; 4x - 4y - 5 = 0.$

D. $2x - 3y = 8; 4x - 6y - 5 = 9$

Read the information given below carefully and answer the question that follows:

Aditi, a salesgirl is appointed at a basic salary of ₹ 1200 per month. The condition of employment further stated that for every sale of ₹ 10000 or above she does, she will get 50 % of basic salary and 10 % of the sales as special incentive. However, this incentive scheme shall not work on the first ₹ 10000 of sales made. What should be the value of sales if Aditi wants to earn ₹ 7600 in a particular month?

If 2x + 3y - 8 = 0 and 3x - 2y - 12 = 0, then $4x^2 + y^2 - 4x$ is equal to:

If the cost of 4 pens and 6 note books is Rs 800, then find the cost of 6 pens and 9 note books.

If $2^{(x+y)} = 64$ and $128^{(x-y)} = 2$, then what is the value of x?

Rita purchased 9 pens and 7 pencils for ₹ 66. Megha also bought 5 pens and 11 pencils of the same kind for ₹ 58. What is the cost of 3 pencils?

The system of linear equations 3x + y + 4 = 0 and 2x + y + 9 = 0 has: