SATHEE: Permutations And Combinations Question 83

Permutations And Combinations Question 83

Question: In how many ways can a girl and a boy be selected from a group of 15 boys and 8 girls

Options:

A) $ 15\times 8 $

B) $ 15+8 $

C) $ ^{23}P_2 $

D) $ ^{23}C_2 $

Show Answer

Answer:

Correct Answer: A

Solution:

Required number of ways $ {{=}^{15}}C_1{{\times }^{8}}C_1=15\times 8 $ .

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Permutations And Combinations Question 83

Question: In how many ways can a girl and a boy be selected from a group of 15 boys and 8 girls

Options:

Answer:

Solution:

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