Mathematics - Permutation & Combination Question with Solution | TestHub

MathematicsPermutation & CombinationFundamental PrincipleEasy2 minQB
MathematicsEasysingle choice

A six digit number is formed using all the six digits 2,3,4,5,7,8, then number of such digits that are divisible by 11 is ...

Options:

Answer:
D
Solution:

Sum of the digits is odd places (or) sum of the digits in even places are equal (or) differ by multiple of 11

Stream:JEESubject:MathematicsTopic:Permutation & CombinationSubtopic:Fundamental Principle
2mℹ️ Source: QB

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