“Success is the progressive realization of a worthy goal! Mutually Dependent Events: 2 or more events are that are such that the occurrence of one affects the occurrence of the other. 2. Probability is quantitative measure of the chance of occurrence of a particular event. So, the number of favourable outcomes = 4. To clear the concept of solving Probability Questions, there are … Taking a ball randomly from a bag containing balls of different colours. When a coin is tossed, Head (H) or Tail is equally likely to occur. For example, we generally say, 'it may rain today'. Probability: Probability of Event: No. This statement has a certain uncertainty. Favorable number of outcomes; Total number of outcomes; Probability ranges between 0 and 1. Any subset of a sample space is called an event. Set Theory and Venn diagrams. Probability of an Event. The questions from this topic are mainly checking the skill of an aspirant in logical counting. Or, P (A) = n (A)/n (S) Where, P (A) is the probability of an event “A”. of Possible Outcomes. When we throw a die, the outcome is the number that appears on its upper face. Probability Basics and Formulas. Probability is quantitative measure of the chance of occurrence of a particular event. Learn Quantitative Aptitude – Quants : Formulas, Tips, Tricks, Shortcuts & Questions. Probability questions are an important part of Quantitative aptitude section of most competitive exams like SBI, IBPS, PO/Clerk, LIC-AAO etc.These questions are asked frequently so it becomes really relevant to know the right technique of solving these questions. In the above four types, we will have 13 cards in each type. Probability can range in from 0 to 1, where 0 means the event to be an impossible one and 1 indicates a certain event. Before we enter in to the stuff probability, we must be aware of the pack of 52 playing cards. • Chapter-wise math formulae can be downloaded in PDF format by Students from class 6 to 12. When a coin is tossed, we get either Head or Tail. Events are said to be equally likely if there is no preference for a particular event over the other. Probability is expressed in the form of fractions. Club - 13 cards 2. A thorough theoretical understanding about various counting techniques will help you to tackle all the aptitude questions from this area in an interesting way with the help of tricks & important formulas. Probability is the number of ways of achieving success to the total number of possible outcomes. B. Probability or chance is a common term used in day-to-day life. The four different types of cards are shown in the picture given below. Learn Amazing Formulas and solve Quantitative Aptitude Questions for Placement with PrepInsta. Probability Important Formulas on Aptitude questions and answers for interview, competitive examination, entrance test and Career Test When we throw a coin, then either a Head (H) or a Tail (T) appears. Hello Friends, Today we are presenting an article on “How to Solve Probability Questions in competitive examination. The probability of all the events in a sample space adds up to 1. If we have “n” groups with averages A1,A2, A3, A4 ……. Statistics Formulas. The pass percentage of these … = (100-Loss%)/100*C.P. Quantitative section may be nerve cracking sometimes if you are not comfortable with the basics. You will find solved aptitude examples with detailed explanation and important formulas. Simple interest and compound interest. Probability is a type of ratio where we compare how many times an outcome can occur compared to all possible outcomes. Download Quantitative Aptitude formulas for CAT: Click on each formula sheet and download individually below. - Cost Price (C.P) 2.Loss = C.P. Then, \(E \subseteq S\). Each of the above mentioned categories has $13$ cards, $9$ cards numbered from $2$ to $10,$ an Ace, a King, a Queen and a jack. A. Simple interest and compound interest. We can define the word ‘Probability’ as - A measure of how likely an event is to occur’. There are four types of cards in the pack of 52 cards. Solved examples with detailed answer description, explanation are given and it would be easy to understand. Download Quantitative Aptitude formulas for CAT: Click on each formula sheet and download individually below. Probability based problems and equations, formulas. Then the conditional probability of the occurrence of B given that A has already occurred is. of Favorable Outcomes/Total no. of occurrences of event; n(U)= total possible outcomes. Aptitude. Revise with SSC Math quick notes, containing formulas and short tricks. Statistics Formulas. Maths Formula PDF, SSC Maths Formulas PDF Free Download, Aptitude Formulas PDF: Welcome to all of you once again on Job-Adda.in as you all know that we keep coming here every day with the best Study Material, in the same way, today we have brought for you all Maths Formulas PDF.In this post, maths all formulas pdf and their full details have been described. Our teachers never told us so easy methods. Formula for Conditional Probability. Let us come to know the following stuff related the pack of 52 playing cards. Solved examples with detailed answer description, explanation are given and it would be easy to understand. In the case of simple events, we take the probability of occurrence of single events. Conclusively we can say that ‘Probability is the measure of Uncertainty’. Solved examples with detailed answer description, explanation are given and it would be easy to understand. The only thing you need to do is to do your math problems correctly and within time, and this can be achieved only by using shortcut tricks. Probability: Probability of Event: No. Probability for Class 10 is an important topic for the students which explains all the basic concepts of this topic. Events are generally denoted by capital letters A, B , C, D etc. Find the probability of a) Getting a multiple of 3 b) getting a prime number. For any events A and B we have : P(A \(\cup\) B) = P(A) + P(B) - P(A \(\cap\) B) If … 1. An and having X1, X2, X3, X4, ……. – Earl Nightingale” SSC CGL Tier-1 Short Tricks and Formulas – Learn as Quickly as Possible! Probability is very important chapter,Here we put down some formula and Facts that are based on this chapter after that we give some examples related on formula and chapter,which help you better understand about this chapter. Let A and B be two events associated with a random experiment. | Copyright | Terms of Use & Privacy Policy, Contact us: info.india- @ -bix@gma@il.com. Probability questions are an important part of Quantitative aptitude section of most competitive exams like SBI, IBPS, PO/Clerk, LIC-AAO etc.These questions are asked frequently so it becomes really relevant to know the right technique of solving these questions. The likelihood of the occurrence of a particular event. Mutually Dependent Events: 2 or more events are that are such that the occurrence of one affects the occurrence of the other. Sample Space is the set of all possible outcomes of an experiment. Picking up a ball of certain colour from a bag containing balls of different colours. Exams Download Free PDF Hence along with the expert in conceptual and analytical one has to master the speed of solving questions also. Basics of Probability aptitude concepts. Quantitative Aptitude Formulas & Shortcut Tricks for All Govt Jobs Exam Quantitative Aptitude Formulae List for Govt. Probability Range: 0 ≤ P(A) ≤ 1; Rule of Addition: P(A∪B) = P(A) + P(B) – P(A∩B) Rule of Complementary Events: P(A’) + P(A) = 1; Disjoint Events: P(A∩B) = 0; Independent Events: P(A∩B) = P(A) . A be the event of getting $2$ or $4$ or $6$ and B be the event of getting $4$ or $5$ or $6.$ Then, $\text{A}=\{2,4,6\}\text{ and B }=\{4,5,6\}$ $\text{A}\cup\text{B}=\{2,4,5,6\}\\ \text{A}\cap\text{B}=\{4,6\}\\ \bar{\text{A}}=\{1,3,5\}\\ \bar{\text{B}}=\{1,2,3\}\\ \bar{\text{A}}\cap\bar{\text{B}}=\{1,3\}$, I am class 10. In this section of quantitative aptitude, we will learn about the concept of probability keeping in mind the type and level, of questions that are asked in all the crucial competitive exams. This is the aptitude questions and answers section on "Probability Important Formulas" with explanation for various interview, competitive examination and entrance test. Quantitative Aptitude Formulas & Shortcut Tricks for All Govt Jobs Exam Quantitative Aptitude Formulae List for Govt. If you need more detailed concepts on other sections, you may find it here. There are Kings, Queens and Jacks. Identifying when a probability is a conditional probability in a word problem Hence occurrences of particular faces when rolling a die are mutually exclusive events. When a dice is thrown, all the six faces $(1, 2, 3, 4, 5, 6)$ are equally likely to occur. To clear the concept of solving Probability Questions, there are … Maths Formula PDF, SSC Maths Formulas PDF Free Download, Aptitude Formulas PDF: Welcome to all of you once again on Job-Adda.in as you all know that we keep coming here every day with the best Study Material, in the same way, today we have brought for you all Maths Formulas PDF.In this post, maths all formulas pdf and their full details have been described. Number of Ace cards in a deck of cards = 4. Solution: Total number of cards a standard pack contains = 52. Profit and Loss, Discount. If all the possible outcomes of an experiment are known but the exact output cannot be predicted in advance, that experiment is called a random experiment. Conclusively we can say that ‘Probability is the measure of Uncertainty’. Probability is a fundamental concept in math and statistics. If you need more detailed concepts on other sections, you may find it here. When a die is rolled, outcome of getting $1$ or $2$ or $3$ or $4$ or $5$ or $6$ is an event. Solved examples with detailed answer description, explanation are given and it would be easy to understand. Here A $\cap$ B $ \neq \phi$. Logarithms, surds and indices. Aptitude model questions pdf on Probability. Hence occurrence of Head and Tail are mutually exclusive events. Probability of head in a toss=1/2 Spade - 13 cards 4. For blogs on other … Cards of spades and clubs are black cards. Learn and practice basic word and conditional probability aptitude questions with shortcuts, useful tips to … P(B) Conditional Probability: P(A | B) = P(A∩B) / P(B) Bayes Formula: P(A | B) = … For any events A and B we have : P(A B) = P(A) + P(B) - P(A B). These are all called face cards. If two coins tossed once, what is the probability of occurrence of the head at least once? Conditional Probability. Aptitude Shortcuts PDF and Mind Tricks Tips in PDF. Xn elements then the weighted average is given by the formula. Probability is expressed in the form of fractions. Difficult questions on Probability and its explanation with examples. All Rights Reserved. A dice is a solid cube, having 6 faces, marked 1, 2, 3, 4, 5, 6 respectively. But it doesn’t mean that you can’t do math problems without using any shortcut tricks. Hence there are $6$ exhaustive events. © 2009 - 2020 by IndiaBIX™ Technologies. – Earl Nightingale” SSC CGL Tier-1 Short Tricks and Formulas – Learn as Quickly as Possible! Cards of hearts and diamonds are red cards. Profit and Loss, Discount. We also share information about your use of our site with our social media, advertising and analytics partners. Probability of getting a Head (H) when a coin is tossed, Probability of getting $1$ when a die is thrown. For example, we generally say, 'it may rain today'. Statistics is the study of the collection, analysis, interpretation, presentation, and organization of data. Let E be an event and S be the sample space. Hence there are $2$ exhaustive events. of possible outcomes) P(E) = n(E)/n(U) where n(E)= no. If one student is picked from a group of 6 boys and 7 girls. There are four types of cards in the pack of 52 cards. List of Formulas useful for solving aptitude questions 1.Gain = Selling Price (S.P.) It has six faces and each of the six faces shows a different number of dots from $1$ to $6$. n (S) is the total number of events in the sample space. Let S be the sample and let E be an event. … Two types in black color and other two types in red color. - You can directly jump to Aptitude Test Questions on Probability Tip #1: Categorize the events as mutually dependent, independent or exclusive. Math section in a competitive exam is the most important part of the exam. Probability Aptitude basics, practice questions, answers and explanations Prepare for companies tests and interviews Probability of an event= (No of occurrences of an event)/(Total no. Let A and B be two events associated with a random experiment. But only math portion can leads you to a good score. Probability Study Tips. Consider a die is thrown and A be the event of getting $2$ or $4$ or $6$ and B be the event of getting $4$ or $5$ or 6. Follow the above strategies to start your preparation for Quantitative Aptitude Section in SSC CGL Tier-1. Before we enter in to the stuff probability, we must be aware of the pack of 52 playing cards. By. C. 3/4. When a coin is tossed, we get either Head or Tail. Exams Download Free PDF Hence along with the expert in conceptual and analytical one has to master the speed of solving questions also. Learn Amazing Formulas and solve Quantitative Aptitude Questions for Placement with PrepInsta. (i.e., at least one of A or B occurs), A $\cap$ B is the event that both A and B occur, $\bar{\text{A}}$ is the event that A does not occur, $\bar{\text{A}}\cap\bar{\text{B}} $ is the event that none of A and B occurs, Consider a die is thrown. P(E) = \(\frac{n(E)}{n(S)}\) Results on Probability: P(S) = 1 \( 0 \le P(E) \le 1 \) \(P( \phi )\) = 0. Probability of Occurrence of an Event: Let S be the sample and let E be an event. The relationship between mutually exclusive and independent events . Probability or chance is a common term used in day-to-day life. In the case of compound events, we take the probability of joint occurrence of two or more events. The basic understanding of this concept is very essential to understand different types of probability problems given in the examination and solve by probability … The four different types of cards are shown in the picture given below. The relationship between mutually exclusive and independent events . 1. Any subset of a Sample Space is an event. Then. Spade - 13 cards 4. = (100+Gain%)/100*C.P. When we have two or more groups whose individual averages are known, then to find the combined average of all elements of all the groups we use weighted average. This is the aptitude questions and answers section on "Probability" with explanation for various interview, competitive examination and entrance test. You can get good score only by practicing more and more. n (A) is the number of favourable outcomes. Heart - 13 cards 3. If you’re going to take a probability exam, you can better your chances of acing the test by studying the following topics. August 25, 2020 . of Favorable Outcomes/Total no. 3 TIPS on cracking Aptitude Questions on Probability Looking for Questions instead of tips? Die is a small cube used in games. Quantitative Aptitude section checks the numerical ability, calculation ability and logical formula application of the candidates. Then the conditional probability of the occurrence of B given that A has already occurred is. This statement has a certain uncertainty. Quantitative Aptitude Made Simpler – Problems on Ages (Basics and Methods, Examples, Math Tricks) The average age of husband, wife and their child 3 years ago was 27 years and that of wife and the child 5 years ago was 20 years. All details about Probability. admin - January 1, 2018. In exams only Dice, Coin and ball related examples are given. Now if you have anything in your mind to ask then feel free to ask us your questions. Let E be an event and S be the sample space. 3.Gain % = Gain * 100 / C.P. Head and Tail cannot come simultaneously.

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