A hat contains 12 cards marked with a star and 18 unmarked cards. What is the probability that one card slelected at random will be marked with a star?

dsuc.created: 2 years ago | dsuc.updated: 1 year ago

dsuc.updated: 1 year ago

3/5

2/5

2/3

5/2

First Security Islami Bank Ltd First Security Islami Bank Ltd | Probationary Officer | 19-02-2021 গণিত সম্ভাব্যতা (Probability)

dsuc.explanation

651

common.best_ans:

Total cards=12+18

=30

Star marked card probability=12/30

=2/5 (Ans)

1 year ago

0 0

MD ABU SAYED

গণিত

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