Find Sum of all 4 digit numbers formed by using the digits 1,2,3,4,5 if repetition not allowed

#Class11 #Permutation

Find the sum of all four digit numbers formed by using the digits 1 ,2 ,3, 4,5 if repetition of digit not allowed.

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[syedmdabid]

a number of m digit× a number of n digit. = a number of( m+ n) or m+n--1 digit. 2-, a number of m digit + a number n digit such that m, greater than n= a number of m digit or m+1 digit.

[ahinsasoni]

I searched this question everywhere but couldn't find the genuine solution for this, thankyou so much sir 👍🏻🙏🏻

[PrinceKumar-tvxp]

answer of your given last question is 2 5 9 9 8 0 .
and a lot of thankyou for given this important concept respected sir.

[ankurtripathi]

Sir Thank you for explaining such a important question of Permutations and Combination
😊😊

[siddhjain]

This questions seemed very tough to me and I couldn't understand any other teacher....but I got this at one shot...thank you sir

[VishalSingh-qdtl]

Thank you sir for this amazing explanation

[asjadumar]

This Question is from which book is RD Sharma objective problem

[Satyamkumarpatel]

Than k you sir luv ❤️😘 sir excellent explanation

[ramamohan]

Thank you so much sir. You explained very well. I like your way of teaching. Wish you good luck 😎👍

[lavtripathi]

Very nicely explained

Waise homework question ka answer 259980 h kya??