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If number of 5 digit numbers which can be formed without repeating any digit while tenth place of all

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If number of 5 digit numbers which can be formed without repeating any digit while tenth place of all of the numbers must be 2 is 336 k find value of k

(1) 8 

(2) 7 

(3) 6 

(4) 5 

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1 Answer

+1 vote
by (52.7k points)
edited by

Answer is (1) 8

2

Number of numbers

= 8 x 8 x 7 x 6 = 2688 = 336k ⇒ k = 8

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