PRC-2 · Chapter 1 · Question 28 of 45
A factory has a linear cost function. Producing 50 units costs Rs. 2,500, and producing 100 units costs Rs. 4,000. What is the variable cost per unit?
Test yourself: pick an answer
Reveal answer & explanation
Correct answer: B) Rs. 30
Explanation
Variable cost is the slope of the linear cost equation. Slope = (Change in Cost) / (Change in Units) = (4000 - 2500) / (100 - 50) = 1500 / 50 = Rs. 30 per unit.
More Linear And Quadratic Equations MCQs
- Q30Find the roots of the quadratic equation 4x^2 - 8x - 5 = 0.
- Q31Which of the following expressions is a quadratic equation?
- Q32Solve the linear equation for x: 3(x - 4) = 2(x + 1).
- Q33In the quadratic formula x = [-b ± √(b^2 - 4ac)] / 2a, what is the term (b^2 - 4ac) specifically called?
- Q34If the discriminant of a quadratic equation is exactly zero (b^2 - 4ac = 0), what can be concluded about its roots?
