Concept-wise Practice

circular MCQ Questions for Class 11

circular se related questions ko ek jagah revise karein. Har question me bilingual content, answer feedback aur explanation available hai.

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2 questions tagged with circular.

Question 1/2 Medium Mathematics Permutations and Combinations Permutations Class 11 Level 58

(7) अलग-अलग फूलों को एक गोल माला में कितने तरीकों से लगाया जा सकता है यदि पलटना समान माना जाए?

In how many ways can (7) distinct flowers be arranged in a circular garland if flipping is considered the same?

Explanation opens after your attempt
Correct Answer

A. (360)

Step 1

Concept

For a circular garland, the number is (\frac{(7-1)!}{2}=360). In exams, count reflection as the same for garlands.

Step 2

Why this answer is correct

The correct answer is A. (360). For a circular garland, the number is (\frac{(7-1)!}{2}=360). In exams, count reflection as the same for garlands.

Step 3

Exam Tip

गोल माला के लिए संख्या (\frac{(7-1)!}{2}=360) है। परीक्षा में garland में reflection को भी समान मानें।

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Question 2/2 Medium Mathematics Permutations and Combinations Permutations Class 11 Level 58

(9) अलग-अलग मोतियों की माला कितने तरीकों से बनाई जा सकती है यदि पलटना समान माना जाए?

In how many ways can a necklace be made with (9) distinct beads if flipping is considered the same?

Explanation opens after your attempt
Correct Answer

A. (20160)

Step 1

Concept

For a necklace, rotations and reflections are both the same, so (\frac{(9-1)!}{2}=20160). In exams, distinguish necklaces from circular table arrangements.

Step 2

Why this answer is correct

The correct answer is A. (20160). For a necklace, rotations and reflections are both the same, so (\frac{(9-1)!}{2}=20160). In exams, distinguish necklaces from circular table arrangements.

Step 3

Exam Tip

माला में घुमाव और पलटना दोनों समान होते हैं, इसलिए (\frac{(9-1)!}{2}=20160)। परीक्षा में necklace और circular table में फर्क रखें।

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