(6) अंग्रेजी और (8) हिंदी पुस्तकों में से (4) पुस्तकें चुननी हैं जिनमें दोनों भाषाओं की पुस्तकें हों। कितने तरीके हैं?

From (6) English and (8) Hindi books (4) books are to be selected with books from both languages. How many ways are there?

Explanation opens after your attempt
Correct Answer

A. (920)

Step 1

Concept

Total ways are \(\binom{14}{4}=1001\). Removing only English \(\binom{6}{4}=15\) and only Hindi \(\binom{8}{4}=70\) gives (916) ways.

Step 2

Why this answer is correct

The correct answer is A. (920). Total ways are \(\binom{14}{4}=1001\). Removing only English \(\binom{6}{4}=15\) and only Hindi \(\binom{8}{4}=70\) gives (916) ways.

Step 3

Exam Tip

कुल \(\binom{14}{4}=1001\) हैं। केवल अंग्रेजी \(\binom{6}{4}=15\) और केवल हिंदी \(\binom{8}{4}=70\) हटाने पर (916) तरीके मिलते हैं।

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Mathematics Answer, Explanation and Revision Hints

(6) अंग्रेजी और (8) हिंदी पुस्तकों में से (4) पुस्तकें चुननी हैं जिनमें दोनों भाषाओं की पुस्तकें हों। कितने तरीके हैं? / From (6) English and (8) Hindi books (4) books are to be selected with books from both languages. How many ways are there?

Correct Answer: A. (920). Explanation: कुल \(\binom{14}{4}=1001\) हैं। केवल अंग्रेजी \(\binom{6}{4}=15\) और केवल हिंदी \(\binom{8}{4}=70\) हटाने पर (916) तरीके मिलते हैं। / Total ways are \(\binom{14}{4}=1001\). Removing only English \(\binom{6}{4}=15\) and only Hindi \(\binom{8}{4}=70\) gives (916) ways.

Which concept should I revise for this Mathematics MCQ?

Total ways are \(\binom{14}{4}=1001\). Removing only English \(\binom{6}{4}=15\) and only Hindi \(\binom{8}{4}=70\) gives (916) ways.

What exam hint can help solve this Mathematics question?

कुल \(\binom{14}{4}=1001\) हैं। केवल अंग्रेजी \(\binom{6}{4}=15\) और केवल हिंदी \(\binom{8}{4}=70\) हटाने पर (916) तरीके मिलते हैं।