In how many ways can a girl and a boy be selected from a group of $15$ boys and $8 $ girls
In how many ways can a girl and a boy be selected from a group of $15$ boys and $8 $ girls
- A
$15 \times 8$
- B
$15 + 8$
- C
$^{23}{P_2}$
- D
$^{23}{C_2}$
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