Question

In a group of boys the number of arrangement of 4 boys is 12 times the number of arrangement of 2 boys.the number of boys in the group is

Answer 1

6 boys are there .
4/(2*12)
=6

Answer 2

Answer: There are 6 boys in the group.

Step-by-step explanation:

Since we have given that

Number of arrangement of 4 boys = 12 times the number of arrangement of 2 boys.

So, Let the number of boys in the group be 'x'.

So, Number of boys in the group will be

$x=\frac{12\times 2}{4}\\\\x=\frac{24}{4}\\\\x=6$

Hence, there are 6 boys in the group.