MCQOPTIONS
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MCQOPTIONS
This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Mathematics Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
For which of the values of x, the rate of increase of the function y=3x2-2x+7 is 4 times the rate of increase of x? |
| A. | -1 |
| B. | \(\frac{1}{3}\) |
| C. | 1 |
| D. | 0 |
| Answer» D. 0 | |
| 2. |
The total cost N(x) in rupees, associated with the production of x units of an item is given by N(x)=0.06x3-0.01x2+10x-43. Find the marginal cost when 5 units are produced. |
| A. | Rs. 1.44 |
| B. | Rs. 144.00 |
| C. | Rs. 14.4 |
| D. | Rs. 56.2 |
| Answer» C. Rs. 14.4 | |
| 3. |
The total cost P(x) in rupees associated with a product is given by P(x)=0.4x2+2x-10. Find the marginal cost if the no. of units produced is 5. |
| A. | Rs.3 |
| B. | Rs.4 |
| C. | Rs.5 |
| D. | Rs.6 |
| Answer» E. | |
| 4. |
The rate of change of area of a square is 40 cm2/s. What will be the rate of change of side if the side is 10 cm. |
| A. | 2 cm/s |
| B. | 4 cm/s |
| C. | 8 cm/s |
| D. | 6 cm/s |
| Answer» B. 4 cm/s | |