Subject
Quantitative Aptitude
Topic
Number
How many numbers with distinct digits are possible product of whose digits is 18?
How many numbers with distinct digits are possible product of whose digits is 18?
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12খ)
8গ)
6ঘ)
4Explanation
Two digit numbers: The two digits can be 2 and 9: Two possibilities 29 and 92. Three-digit numbers: The three digits can be 1, 2 and 9 => 3! Or 6 possibilities. We cannot have three digits as (3, 3, 2) as the digits have to be distinct. We cannot have numbers with 4 digits or more without repeating the digits. So, there are totally 8 numbers.Related questions
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