Mathematics - Permutation & Combination Question with Solution | TestHub
MathematicsPermutation & CombinationArrangement under ConstraintHard2 minPYQ_2023
MathematicsHardsingle choice
The number of five-digit numbers, greater thanand divisible by, which can be formed using the digitsandwithout repetition, is equal to
Options:
Answer:
B
Solution:
We need to find the number of digit numbers greater than and divisible by .
Case I : Numbers start with .
Here if the number starts with it should end with to be divisible by .

Case II : Number starts with and the last digit can have or .

Case III : The number starts with and the last digit should have or .

Total numbers .
Hence this is the correct option.
Stream:JEESubject:MathematicsTopic:Permutation & CombinationSubtopic:Arrangement under Constraint
⏱ 2mℹ️ Source: PYQ_2023
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