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1. [18-x]/18
2. Prob. of red in case 1
= x/18
Prob of red in case 2
= [x+2]/20
ATQ
[x+2]/20 = x/18 × 8/9
x = 162
2. Prob. of red in case 1
= x/18
Prob of red in case 2
= [x+2]/20
ATQ
[x+2]/20 = x/18 × 8/9
x = 162
cathrin12:
but it is said ki jo first case mein ans. aaya uske 9by 8 karna hai
sorry wo 8/9 lena tha
ab answer correct hai
hi priya
Answered by
1
hope it works...........
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hi Priya
solution correct hai na?
tnx
he
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