(1) से (12) तक की संख्याओं में से (3) संख्याएं चुननी हैं जिनमें सभी सम हों। कितने तरीके हैं?

From numbers (1) to (12), (3) numbers are to be selected and all must be even. How many ways are there?

Explanation opens after your attempt
Correct Answer

C. (20)

Step 1

Concept

There are (6) even numbers from (1) to (12). Hence there are \(\binom{6}{3}=20\) ways.

Step 2

Why this answer is correct

The correct answer is C. (20). There are (6) even numbers from (1) to (12). Hence there are \(\binom{6}{3}=20\) ways.

Step 3

Exam Tip

(1) से (12) तक (6) सम संख्याएं हैं। इसलिए \(\binom{6}{3}=20\) तरीके हैं।

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Mathematics Answer, Explanation and Revision Hints

(1) से (12) तक की संख्याओं में से (3) संख्याएं चुननी हैं जिनमें सभी सम हों। कितने तरीके हैं? / From numbers (1) to (12), (3) numbers are to be selected and all must be even. How many ways are there?

Correct Answer: C. (20). Explanation: (1) से (12) तक (6) सम संख्याएं हैं। इसलिए \(\binom{6}{3}=20\) तरीके हैं। / There are (6) even numbers from (1) to (12). Hence there are \(\binom{6}{3}=20\) ways.

Which concept should I revise for this Mathematics MCQ?

There are (6) even numbers from (1) to (12). Hence there are \(\binom{6}{3}=20\) ways.

What exam hint can help solve this Mathematics question?

(1) से (12) तक (6) सम संख्याएं हैं। इसलिए \(\binom{6}{3}=20\) तरीके हैं।