अंकों (1,2,3,4,6) से बिना पुनरावृत्ति कितनी (2)-अंकीय सम संख्याएँ बनेंगी?
How many (2)-digit even numbers can be formed from digits (1,2,3,4,6) without repetition?
Explanation opens after your attempt
Correct Answer
D. (12)
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.
Why this answer is correct
The correct answer is D. (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.
Exam Tip
इकाई स्थान पर (2,4,6) में से (3) विकल्प और दहाई पर (4) विकल्प हैं, कुल (12)। even number में इकाई स्थान पहले देखें।
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