ankachi punrawrutti n karta 2,3,5,7,9 ya ankapasun don anki sankhya tayar keli tar ti sankhya wisham asel ya ghatnechi sambhalta kadha
This answer is of 10 th class
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नमुना अवकाश
S = {23, 25, 27, 29, 32, 35, 37, 39, 52, 53, 57, 59, 72, 73, 75, 79, 92, 93, 95, 97}
∴ n(S) = 20
समजा, घटना B: तयार केलेली संख्या 5 च्या पटीत असणे, ही आहे.
∴ B = {25, 35, 75, 95}
∴ n(B) = 4
∴ P(B) =
nB
nS
n(B)n(S)=4l20
∴ P(B) =
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