alleryP = {1, 2, 3, 4, 5} మరియు Q = {4, 5, 6, 7} అయితే, P లో ఉంటూ Q లో లేని మూలకాలు ఎన్ని?
A2
B4
C3
D5
Answer & Solution
Correct answer: C. 3
P నుండి ఉమ్మడిగా ఉన్న 4 మరియు 5 లను తొలగిస్తే 1, 2 మరియు 3 మిగులుతాయి.
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