A group of students comprises of 5 boys and n girls. If the number of ways, in which a team of 3 students can randomly be selected from this group such that there is at least one boy and at least one girl in each team, is 1750, then n is equal to :
28
27
25
24
atleast one boy & one girl :
( 1B & 2G) + ( 2B & 1G)
As, n cannot be -ve so, n = 25
Option 1)
28
Option 2)
27
Option 3)
25
Option 4)
24
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