MCQOPTIONS
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MCQOPTIONS
This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Mathematics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Find the number of 5 letter words that can be formed from word IMAGE using permutations if repetition is allowed. |
| A. | 25 |
| B. | 120 |
| C. | 125 |
| D. | 3125 |
| Answer» E. | |
| 2. |
Find the number of 5 letter words which can be formed from word IMAGE without repetition using permutations. |
| A. | 20 |
| B. | 60 |
| C. | 120 |
| D. | 240 |
| Answer» D. 240 | |
| 3. |
Find the number of permutations of word DEPENDENT. |
| A. | 132400 |
| B. | 1512500 |
| C. | 1663200 |
| D. | 1723400 |
| Answer» D. 1723400 | |
| 4. |
The number of permutations of n different objects taken r at a time, where repetition is allowed is _______________ |
| A. | n! |
| B. | r! |
| C. | nPr |
| D. | nr |
| Answer» E. | |
| 5. |
nPn = ________________ |
| A. | n! |
| B. | 1 |
| C. | \(\frac{1}{(n)!}\) |
| D. | (n-1)! |
| Answer» B. 1 | |
| 6. |
nP0 = ________________ |
| A. | n! |
| B. | 1 |
| C. | \(\frac{1}{(n)!}\) |
| D. | (n-1)! |
| Answer» C. \(\frac{1}{(n)!}\) | |
| 7. |
\(\frac{100}{10!} = \frac{1}{8!} + \frac{x}{9!}\). Find x. |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» B. 2 | |
| 8. |
\(\frac{7!}{5!}\) = ____________________ |
| A. | 7 |
| B. | 42 |
| C. | 230 |
| D. | 30 |
| Answer» C. 230 | |
| 9. |
6! = _____________ |
| A. | 24 |
| B. | 120 |
| C. | 720 |
| D. | 8 |
| Answer» D. 8 | |
| 10. |
nPr = ________________ |
| A. | n! |
| B. | \(\frac{n!}{r!}\) |
| C. | \(\frac{n!}{(n-r)!}\) |
| D. | \(\frac{n!}{(n-r)! r!}\) |
| Answer» D. \(\frac{n!}{(n-r)! r!}\) | |
| 11. |
Permutation is also known as selection. |
| A. | True |
| B. | False |
| Answer» C. | |