InterviewSolution
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InterviewSolution
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From the above Venn diagram ,find `n(P-Q)+n(Q-P)`=__________.A. 10B. 4C. 6D. 8 |
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Answer» Correct Answer - D P-Q={21,7,28,35} `rArr n(Q-P)= 4` `Q-P=[24,30,36,42]` `rArr n(Q-P)=4` `therefore n(P-Q)+n(Q-P )=4+4 = 8 ` Hence , the correct option is (d) |
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