Question

17. Word "UNIVERSITY' is arranged randomly. Then the
probability that both 'I' does not come together, is-​

Answer 1

Answer:

Total number of ways = 10!/2! Favourable number of ways for ' ' I come together is 9! Thus, probability that 'I' come togethe - (9 x 2)/10 = 2/10 = 1/5 Hence, required probability = 1 - 1/5 = 4/5

Answer 2

$\large{\colorbox{black}{\underline{\underline{\text{\red{☆answer☆}}}}}}$

In word 'UNIVERSITY'

Total words = 10

Total I = 2

P ( 'I' does not come together ) = 8 / 10 = 4/5