Question

npr=336,ncr=56 then find the value of r and n

Answer 1

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Answer 2

♧♧HERE IS YOUR ANSWER♧♧

nPr = 336 and nCr = 56

We know that :

nPr = r! × nCr

=> 336 = r! × 56

=> r! = 336/56 = 6

So, r! = 3!

Then, we have :

nPr = 336

=> nP3 = 8P3

Therefore, comparing, we get :

n = 8.

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