MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Mathematics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
If set A={ } then P(A) is ___________ |
| A. | { } |
| B. | {{ }} |
| C. | { , { }} |
| D. | |
| Answer» D. | |
| 2. |
If a set A={x: x is a prime number less than 4} then n[P(P(A))] is ______________ |
| A. | 8 |
| B. | 16 |
| C. | 32 |
| D. | 64 |
| Answer» C. 32 | |
| 3. |
Cardinality of the power set of {0, 1, 2 . . ., 6} is _________ |
| A. | 1024 |
| B. | 4096 |
| C. | 512 |
| D. | 2048 |
| Answer» E. | |
| 4. |
If X = {1,2} then P(X) = { , {1}, {2}, {1,2}}. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
If A = {a, b, c} then P(A) = {{a}, {b}, {c}, {a, b}, {b, c}, {a, c}, {a, b, c}}. |
| A. | True |
| B. | False |
| Answer» C. | |
| 6. |
How many elements are there in P(A), if A = ? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» B. 2 | |
| 7. |
If set X = {2,3,5,7}, then n[P(X)] is _____________ |
| A. | 8 |
| B. | 16 |
| C. | 32 |
| D. | 64 |
| Answer» C. 32 | |
| 8. |
If set A = {1,2,3} then which of the following is incorrect? |
| A. | A |
| B. | P(A) |
| C. | A |
| D. | P(A) |
| Answer» B. P(A) | |
| 9. |
If a set A has 3 elements then find the number of elements in power set of set A. |
| A. | 1 |
| B. | 2 |
| C. | 8 |
| D. | 27 |
| Answer» D. 27 | |
| 10. |
Which of the following is not the element of power set of {2,3}? |
| A. | |
| B. | {2} |
| C. | {{2,3}} |
| D. | {2,3} |
| Answer» D. {2,3} | |