Mathematics - Permutation & Combination Question with Solution | TestHub

MathematicsPermutation & CombinationArrangement under ConstraintEasy2 minPYQ_2018

MathematicsEasynumerical

The number of $5$ digit numbers which are divisible by $4$ , with digits from the set ${1,2, 3,4, 5}$ and the repetition of digits is allowed, is _____.

Answer:

625.00

Solution:

Option for last two digits are $(12), (24), (32), (44) a r e (52)$ .
$∴$ Total number of 5 digit numbers
$= 5 \times 5 \times 5 \times 5 = 625$

Stream:JEE_ADVSubject:MathematicsTopic:Permutation & CombinationSubtopic:Arrangement under Constraint

⏱ 2mℹ️ Source: PYQ_2018

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