If there are 10 gifts and 25 blank seats then what are the probability to win a prize?
ক. 1/35
খ. 2/7
গ. 1/25
ঘ. 7/2
উত্তর: 2/7
ব্যাখ্যা: Total no. of lottery tickets is 35 ( 10 prize and 25 blank) No. of prizes is 10 Therefore, 10 [গণিত] out 35 a prize is won. Let [গণিত] be the event of drawing a lottery ticket We know that, Probability P(E) [গণিত]
Admission FBS University papers MCQ — Prosthuti প্রশ্নব্যাংক
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