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प्रश्न
A handbag contained fifty ten rupees note, thirty-five fifty rupees note and fifteen hundred rupee note. One note is drawn from a handbag. What is the probability of getting:
Ten rupees note
बेरीज
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उत्तर
Total number of notes = 50 + 35 + 15 = 100
Let E1 represent the event in which the chosen note is a 10 rupee note.
The number of ten rupee notes is 50.
Thus, P(E1) = `"Number of ten rupees note"/"Total number of notes"`
= `50/100`
= `1/2`
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