JEE Exam > JEE Questions > If set A = {1, 3, 5, 7}, set B = {1, 4, 7}, f...
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If set A = {1, 3, 5, 7}, set B = {1, 4, 7}, find the value of A − B.
- a){1, 3, 5}
- b){3, 5, 7}
- c){4}
- d){3, 5}
- e)none of these
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
If set A = {1, 3, 5, 7}, set B = {1, 4, 7}, find the value of A &minus...
Concept use:
A - B = The element which are present in A but not in B
Calculations:
If set A = {1, 3, 5, 7}, set B = {1, 4, 7},
The Value of A - B = {3, 5} (The element which are present in A but not in B)
Most Upvoted Answer
If set A = {1, 3, 5, 7}, set B = {1, 4, 7}, find the value of A &minus...
Understanding the Operation A - B
To find the value of A - B (the difference between sets A and B), we need to understand what this operation entails. The difference A - B consists of all the elements that are in set A but not in set B.
Given Sets
- Set A = {1, 3, 5, 7}
- Set B = {1, 4, 7}
Identifying Elements in A Not in B
1. Start with the elements of set A:
- 1: This is in set B, so we exclude it.
- 3: This is not in set B, so we include it.
- 5: This is also not in set B, so we include it.
- 7: This is in set B, so we exclude it.
Resulting Set A - B
After evaluating each element from set A:
- The remaining elements are 3 and 5.
Thus, A - B = {3, 5}.
Conclusion
The correct answer is option 'D': {3, 5}. The other answer choices do not correctly represent the elements remaining in set A after excluding those found in set B.
To find the value of A - B (the difference between sets A and B), we need to understand what this operation entails. The difference A - B consists of all the elements that are in set A but not in set B.
Given Sets
- Set A = {1, 3, 5, 7}
- Set B = {1, 4, 7}
Identifying Elements in A Not in B
1. Start with the elements of set A:
- 1: This is in set B, so we exclude it.
- 3: This is not in set B, so we include it.
- 5: This is also not in set B, so we include it.
- 7: This is in set B, so we exclude it.
Resulting Set A - B
After evaluating each element from set A:
- The remaining elements are 3 and 5.
Thus, A - B = {3, 5}.
Conclusion
The correct answer is option 'D': {3, 5}. The other answer choices do not correctly represent the elements remaining in set A after excluding those found in set B.
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If set A = {1, 3, 5, 7}, set B = {1, 4, 7}, find the value of A − B.a){1, 3, 5}b){3, 5, 7}c){4}d){3, 5}e)none of theseCorrect answer is option 'D'. Can you explain this answer? for JEE 2025 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about If set A = {1, 3, 5, 7}, set B = {1, 4, 7}, find the value of A − B.a){1, 3, 5}b){3, 5, 7}c){4}d){3, 5}e)none of theseCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for JEE 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for If set A = {1, 3, 5, 7}, set B = {1, 4, 7}, find the value of A − B.a){1, 3, 5}b){3, 5, 7}c){4}d){3, 5}e)none of theseCorrect answer is option 'D'. Can you explain this answer?.
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