Mathematics - Permutation & Combination Question with Solution | TestHub

MathematicsPermutation & CombinationnPr & nCrHard2 minPYQ_2020

MathematicsHardsingle choice

If the number of five digit numbers with distinct digits and $2$ at the $10^{t h}$ place is $336 k$ , then $k$ is equal to:

Answer:

Solution:

Total Number of numbers $= 8 \times 8 \times 7 \times 6 = 2688 = 336 k \Rightarrow k = 8$

Stream:JEESubject:MathematicsTopic:Permutation & CombinationSubtopic:nPr & nCr

⏱ 2mℹ️ Source: PYQ_2020

Loading discussions...