यदि \(U={1,2,\ldots,180}\), (A) (12) के गुणजों का, (B) (15) के गुणजों का और (C) (20) के गुणजों का समुच्चय है, तो (n(\(A\cup B\cup C\)')) कितना है?

If \(U={1,2,\ldots,180}\), (A) is the set of multiples of (12), (B) is the set of multiples of (15), and (C) is the set of multiples of (20), then what is (n(\(A\cup B\cup C\)'))?

Explanation opens after your attempt
Correct Answer

A. (150)

Step 1

Concept

(n\(A\cup B\cup C\)=15+12+9-3-3-3+3=30), so the complement is (180-30=150). In multiples questions, use the least common multiple for common parts.

Step 2

Why this answer is correct

The correct answer is A. (150). (n\(A\cup B\cup C\)=15+12+9-3-3-3+3=30), so the complement is (180-30=150). In multiples questions, use the least common multiple for common parts.

Step 3

Exam Tip

(n\(A\cup B\cup C\)=15+12+9-3-3-3+3=30), इसलिए पूरक (180-30=150) है। गुणजों वाले प्रश्न में लघुत्तम समापवर्त्य से साझा भाग निकालें।

Question me issue ya doubt hai?

Answer, explanation, typing mistake ya suggestion directly hamari team ko bhejein. 📱Helpline (Call / WhatsApp): +91 7272824365

Related Mathematics Questions

FAQs

Mathematics Answer, Explanation and Revision Hints

यदि \(U={1,2,\ldots,180}\), (A) (12) के गुणजों का, (B) (15) के गुणजों का और (C) (20) के गुणजों का समुच्चय है, तो (n(\(A\cup B\cup C\)')) कितना है? / If \(U={1,2,\ldots,180}\), (A) is the set of multiples of (12), (B) is the set of multiples of (15), and (C) is the set of multiples of (20), then what is (n(\(A\cup B\cup C\)'))?

Correct Answer: A. (150). Explanation: (n\(A\cup B\cup C\)=15+12+9-3-3-3+3=30), इसलिए पूरक (180-30=150) है। गुणजों वाले प्रश्न में लघुत्तम समापवर्त्य से साझा भाग निकालें। / (n\(A\cup B\cup C\)=15+12+9-3-3-3+3=30), so the complement is (180-30=150). In multiples questions, use the least common multiple for common parts.

Which concept should I revise for this Mathematics MCQ?

(n\(A\cup B\cup C\)=15+12+9-3-3-3+3=30), so the complement is (180-30=150). In multiples questions, use the least common multiple for common parts.

What exam hint can help solve this Mathematics question?

(n\(A\cup B\cup C\)=15+12+9-3-3-3+3=30), इसलिए पूरक (180-30=150) है। गुणजों वाले प्रश्न में लघुत्तम समापवर्त्य से साझा भाग निकालें।