In how many ways can a girl and a boy be selected from a gro... | MATH - DEFINITON OF COMBINATIONS, CONDITION COMBINATIONS, DIVISION INTO GROUPS, DERANGEMENTS | SolveeIt | Solveeit

Today, August 18

Question

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

$23P_{2}$

D

$23C_{2}$

Answer

$15 \times 8$

Explanation

Solution

Required number of ways

$=^{15} ⥂ C_{1} \times^{8}C_{1} = 15 \times 8$ .