TS EAMCET · Maths · Permutation Combination
If all the possible 3-digit numbers are formed using the digits \(1,3,5,7,9\) without repeating any digit, then the number of such 3 -digit numbers which are divisible by 3 is
- A 6
- B 12
- C 18
- D 24
Answer & Solution
Correct Answer
(D) 24
Step-by-step Solution
Detailed explanation
Number is divisible by 3 if sum of its digit is divisible by 3 . Such 3 digit number which starts with digit 1,3,5,7 and 9 respectively are…
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