Sign in
Please select an account to continue using cracku.in
↓ →
A class consists of 100 students; 25 of them are girls and 75 boys; 20 of them are rich and the remaining poor; 40 of them are fair-complexioned. The probability of selecting a faircomplexioned rich girl is
Given:
Total students = 100
Girls = 25 , Boys = 75
Rich = 20 Poor = 80
Fair complexion = 40, Dark = 60
Probability of selecting:
a girl = 25/100 = 1/4
a rich person = 20/100 = 1/5
a fair person = 40/100 = 2/5
So, Probability of selecting a faircomplexioned rich girl is = 1/4*1*5*2/5 = 0.02
Create a FREE account and get:
Book Free CAT Mentorship
Get personalized CAT strategy from a 99%iler
500+ students mentored
OTP Verification
Enter the 6-digit code sent to your phone
Booking Summary
Enter OTP
Didn't receive the OTP?
Educational materials for CAT preparation