Ways of selection of two green marbles = 2C2 = 1
Ways of selection of two yellow marbles = 3C2 = 3
So, probability (both are green) = 1/15C2 ....(I)
Probability (both are yellow) = 3/15C2 ....(Ii)
Then, required probability = 1/15C2 + 3/15C2 = 4/ 15C2
= 4/105
The shaded region represents
y ? x
Let 45 x A = (25 x 900)/100
? A = (25 x 9)/45 = 5
CP = [100/(100 - Loss%) ] x SP
CP = 6000 x (100/75) = 8000
NA
Angle swept in 30 min= 180°
Area swept = [(22/7) x 7 x 7] x [180°/360°] cm2
= 77 cm2
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