Question
This query is : Resolved
11 November 2014
Please help..I don't know how to solve this....CH -permutation and combination...
The number of arrangements of 10 different things taken 4 at a time in which one particular things always occurs is...
Ganeshbabu K
(Expert)
11 November 2014
Hi kinjal.,
did u drafted question exactly
Okay.. answer is =4*(10-1)P(4-1)
=4*9P3
=4*(9*8*7/1*2.3)
=4*84
=336
.
.
Let me know if answer is different from above
if answer is different please give exact wording of question from text book
did u drafted question exactly
Okay.. answer is =4*(10-1)P(4-1)
=4*9P3
=4*(9*8*7/1*2.3)
=4*84
=336
.
.
Let me know if answer is different from above
if answer is different please give exact wording of question from text book
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