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Question:

A card from a pack of 52 cards is lost. From the remaining cards of the pack, two cards are drawn and are found to be both diamonds. Find the Probability of the lost card being a diamond?
a) 12/50
b) 8/50
c) 11/50
d) 9/50
e) None of these


Solution:

MCQ: Probability, Quantitative Aptitude


MCQ: Probability, Quantitative Aptitude

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FAQs on MCQ: Probability, Quantitative Aptitude

1. What is probability in quantitative aptitude?
Ans. Probability in quantitative aptitude refers to the likelihood or chance of an event occurring. It is a mathematical concept that helps in predicting the likelihood of an outcome based on the given information.
2. How is probability calculated in quantitative aptitude?
Ans. Probability is calculated by dividing the number of favorable outcomes by the total number of possible outcomes. It is represented as a fraction, decimal, or percentage. The formula for probability is P(A) = Number of favorable outcomes / Total number of possible outcomes.
3. What is the difference between theoretical and experimental probability?
Ans. Theoretical probability is based on mathematical calculations and is determined by analyzing the given information. It is often used when all possible outcomes are equally likely. On the other hand, experimental probability is determined by conducting experiments or observations. It is based on the actual results obtained from the experiment.
4. How is probability used in real-life situations?
Ans. Probability is used in various real-life situations such as weather forecasting, risk assessment, insurance, gambling, and sports predictions. It helps in making informed decisions by considering the likelihood of different outcomes.
5. What are the different types of probability?
Ans. There are three types of probability: 1. Classical probability: It is based on equally likely outcomes and uses a theoretical approach. 2. Empirical probability: It is based on the results of experiments or observations. 3. Subjective probability: It is based on personal judgment or opinions and may vary from person to person.
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