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. | <sup>n</sup>P<sub>r</sub> |
| D. | n<sup>r</sup> |
| 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. | |