[tex] {\huge {\mathfrak {\orange {Answer :-}}}} [/tex]
A.
Number of marbles with 'B' written on them is [ n(A)] = 6.
Total number of marbles [ n(S)] = 15.
Thus, Probability is
P(A) = n(A) / n(S)
= 6/15 = 2/5. ⬅️
B.
Number of green marbles [ n(A)] = 5.
Total number of marbles [ n(S)] = 15.
Thus, Probability is
P(A) = n(A) / n(S)
= 5/15 = 1/3 ⬅️
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[tex] {\huge {\mathfrak {\red {Regards\: Arnab, \: Thank \: you..}}}} [/tex]
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