52 ताश के पत्तों की एक मानक गड्डी से एक पत्ता यादृच्छिक रूप से निकाला जाता है। यह देखते हुए कि निकाला गया पत्ता एक बेगम (queen) है, इस पत्ते के हुकुम (spade) का पत्ता होने की प्रायिकता है:

In a class, 40% of students passed in Mathematics, 20% passed in Physics, and 10% passed in both subjects. What is the probability that a randomly selected student has passed in Physics given that the student has already passed in Mathematics?

Two cards are drawn from a standard deck of 52 cards without replacement. What is the probability that the second card is a King, given that the first card drawn is a King?