MCQOPTIONS
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MCQOPTIONS
This section includes 9 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. |
If 14Cr = 14 and 15Cr = 15. Find the value of 14Cr-1. |
| A. | 1 |
| B. | 14 |
| C. | 15 |
| D. | 3 |
| Answer» B. 14 | |
| 2. |
Determine n if 2nC3: nC3 = 9:1. |
| A. | 7 |
| B. | 14 |
| C. | 28 |
| D. | 32 |
| Answer» C. 28 | |
| 3. |
If 6C2 = 6CX then find possible values of x. |
| A. | 2 |
| B. | 4 |
| C. | 2 and 4 |
| D. | 3 |
| Answer» D. 3 | |
| 4. |
If nC2 = nC3 then find n. |
| A. | 2 |
| B. | 3 |
| C. | 5 |
| D. | 6 |
| Answer» D. 6 | |
| 5. |
Is nCr = nCn-r true? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 6. |
nPr = nCr * ______________ |
| A. | r! |
| B. | 1/r! |
| C. | n! |
| D. | 1/n! |
| Answer» B. 1/r! | |
| 7. |
nCn = ________________ |
| A. | n! |
| B. | 1 |
| C. | \(\frac{1}{(n)!}\) |
| D. | (n-1)! |
| Answer» C. \(\frac{1}{(n)!}\) | |
| 8. |
nC0 = ________________ |
| A. | n! |
| B. | 1 |
| C. | \(\frac{1}{(n)!}\) |
| D. | (n-1)! |
| Answer» C. \(\frac{1}{(n)!}\) | |
| 9. |
nCr = ________________ |
| A. | n! |
| B. | \(\frac{n!}{r!}\) |
| C. | \(\frac{n!}{(n-r)!}\) |
| D. | \(\frac{n!}{(n-r)! r!}\) |
| Answer» E. | |