अंकों (2,3,4,5,6) से बिना पुनरावृत्ति कितनी (2)-अंकीय सम संख्याएँ बनेंगी?

How many (2)-digit even numbers can be formed from digits (2,3,4,5,6) without repetition?

Explanation opens after your attempt
Correct Answer

A. (12)

Step 1

Concept

The units place has (3) choices from (2,4,6), and the tens place has (4) choices, total (12). For even numbers, check the units place first.

Step 2

Why this answer is correct

The correct answer is A. (12). The units place has (3) choices from (2,4,6), and the tens place has (4) choices, total (12). For even numbers, check the units place first.

Step 3

Exam Tip

इकाई स्थान पर (2,4,6) में से (3) विकल्प हैं और दहाई पर (4) विकल्प, कुल (12)। even number में इकाई स्थान पहले देखें।

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Mathematics Answer, Explanation and Revision Hints

अंकों (2,3,4,5,6) से बिना पुनरावृत्ति कितनी (2)-अंकीय सम संख्याएँ बनेंगी? / How many (2)-digit even numbers can be formed from digits (2,3,4,5,6) without repetition?

Correct Answer: A. (12). Explanation: इकाई स्थान पर (2,4,6) में से (3) विकल्प हैं और दहाई पर (4) विकल्प, कुल (12)। even number में इकाई स्थान पहले देखें। / The units place has (3) choices from (2,4,6), and the tens place has (4) choices, total (12). For even numbers, check the units place first.

Which concept should I revise for this Mathematics MCQ?

The units place has (3) choices from (2,4,6), and the tens place has (4) choices, total (12). For even numbers, check the units place first.

What exam hint can help solve this Mathematics question?

इकाई स्थान पर (2,4,6) में से (3) विकल्प हैं और दहाई पर (4) विकल्प, कुल (12)। even number में इकाई स्थान पहले देखें।