Question

34. In a group of boys the number of arrangement of 4 boys is 12 times the number of
arrangements of 2 boys. The number of boys in the group is
(a) 10
(b) 8
6
(d) none of these
​

Answer 1

Answer:

6

Step-by-step explanation:

There are 6 boys in the group. Number of arrangement of 4 boys = 12 times the number of arrangement of 2 boys.

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