शब्द (BALLOON) की व्यवस्थाओं में दोनों (L) साथ हों, ऐसी कितनी भिन्न व्यवस्थाएं हैं?

In arrangements of (BALLOON), how many distinct arrangements have both (L)'s together?

Explanation opens after your attempt
Correct Answer

B. (360)

Step 1

Concept

Treat the two (L)'s as one block, giving (6) units with (O) repeated twice, so the count is (6!/2!). Use the block method for together conditions.

Step 2

Why this answer is correct

The correct answer is B. (360). Treat the two (L)'s as one block, giving (6) units with (O) repeated twice, so the count is (6!/2!). Use the block method for together conditions.

Step 3

Exam Tip

दोनों (L) को एक खंड मानने पर (6) इकाइयां हैं और (O) दो बार है, इसलिए (6!/2!) है। साथ वाली शर्त में खंड विधि लगाएं।

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Mathematics Answer, Explanation and Revision Hints

शब्द (BALLOON) की व्यवस्थाओं में दोनों (L) साथ हों, ऐसी कितनी भिन्न व्यवस्थाएं हैं? / In arrangements of (BALLOON), how many distinct arrangements have both (L)'s together?

Correct Answer: B. (360). Explanation: दोनों (L) को एक खंड मानने पर (6) इकाइयां हैं और (O) दो बार है, इसलिए (6!/2!) है। साथ वाली शर्त में खंड विधि लगाएं। / Treat the two (L)'s as one block, giving (6) units with (O) repeated twice, so the count is (6!/2!). Use the block method for together conditions.

Which concept should I revise for this Mathematics MCQ?

Treat the two (L)'s as one block, giving (6) units with (O) repeated twice, so the count is (6!/2!). Use the block method for together conditions.

What exam hint can help solve this Mathematics question?

दोनों (L) को एक खंड मानने पर (6) इकाइयां हैं और (O) दो बार है, इसलिए (6!/2!) है। साथ वाली शर्त में खंड विधि लगाएं।