In how many ways can 5 red and 4 white balls be drawn from a bag containing 10 red and 8 white balls

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6.Permutation and Combination

easy

In how many ways can $5$ red and $4$ white balls be drawn from a bag containing $10$ red and $8$ white balls

A

$^8{C_5}{ \times ^{10}}{C_4}$

B

$^{10}{C_5}{ \times ^8}{C_4}$

C

$^{18}{C_9}$

D

None of these

Solution

(b) Required number ${ = ^{10}}{C_5}{ \times ^8}{C_4}$.

Standard 11

Mathematics

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