Help the teacher!

Probability Level 1

In a class there are 27 boys and 14 girls. the teacher wants to select 1 boy and 1 girl to represent the class in a competition. In how many ways can the teacher make this selection?

378 588 514 377

Ashley Shamidha by Ashley Shamidha , 22, India

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4 solutions

27 ∗ 14 = 378 27 * 14 = \boxed{378}

1 Helpful 0 Interesting 0 Brilliant 0 Confused

how did you get that?

Mohammad Khaza - 3 years, 8 months ago
Isys Nathyally
Jun 19, 2014

To find the number of ways in which the teacher can make the selection, simply multiply the number of boys by the number of girls. Thus: 27 x 14 = 378

1 Helpful 0 Interesting 0 Brilliant 0 Confused
Manish Mayank
Jun 11, 2014

It is actually 27*14 = 378

1 Helpful 0 Interesting 0 Brilliant 0 Confused

This is a Combinatorics problem, not Algebra, it's been tagged wrong.

mathh mathh - 6 years, 10 months ago
Vivek Chaudhary
Jun 11, 2014

Based on permutation.. (27P1)*(14P1)

0 Helpful 0 Interesting 0 Brilliant 0 Confused

on combination. not permutation

Sheena Agrawal - 6 years, 10 months ago

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