A class consists of 100 students, 25 of them are girls and 75 boys; 20 of them are rich and remaining poor; 10 of them are fair complexioned. The probability of selecting a fair complexioned rich girl is
Select:
A) 1/200  B) 1/59  C) 1/56  D) 1/54  E) 1/53
The probability of selecting girl is: 25/100 = 1/4   The probability of selecting rich is: 20/100 = 1/5   The probability of selecting fair complexioned is: 10/100 = 1/10   Three are independent;probability of rich and fair complexioned girl is:   (1/4) Ã—(1/5) Ã— (1/10) = 1/200   1/200nswer: 1/200
<result>A</result>
A class consists of 100 students, 25 of them are girls and 75 boys; 20 of them are rich and remaining poor; 10 of them are fair complexioned. The probability of selecting a fair complexioned rich girl is