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

In arrangements of (PARALLEL), how many distinct arrangements have all (L)'s together?

Explanation opens after your attempt
Correct Answer

D. (360)

Step 1

Concept

Treat the three (L)'s as one block, giving (6) units with (A) repeated twice, so the count is (6!/2!). A block of identical letters acts as one unit.

Step 2

Why this answer is correct

The correct answer is D. (360). Treat the three (L)'s as one block, giving (6) units with (A) repeated twice, so the count is (6!/2!). A block of identical letters acts as one unit.

Step 3

Exam Tip

तीनों (L) को एक खंड मानने पर (6) इकाइयां हैं और (A) दो बार है, इसलिए (6!/2!) है। समान अक्षरों का खंड केवल एक इकाई माना जाता है।

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Mathematics Answer, Explanation and Revision Hints

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

Correct Answer: D. (360). Explanation: तीनों (L) को एक खंड मानने पर (6) इकाइयां हैं और (A) दो बार है, इसलिए (6!/2!) है। समान अक्षरों का खंड केवल एक इकाई माना जाता है। / Treat the three (L)'s as one block, giving (6) units with (A) repeated twice, so the count is (6!/2!). A block of identical letters acts as one unit.

Which concept should I revise for this Mathematics MCQ?

Treat the three (L)'s as one block, giving (6) units with (A) repeated twice, so the count is (6!/2!). A block of identical letters acts as one unit.

What exam hint can help solve this Mathematics question?

तीनों (L) को एक खंड मानने पर (6) इकाइयां हैं और (A) दो बार है, इसलिए (6!/2!) है। समान अक्षरों का खंड केवल एक इकाई माना जाता है।