Revise with SSC Math quick notes, containing formulas and short tricks. Probability is expressed in the form of fractions. Hence A and B are not mutually exclusive events. They have a high probability of being on the exam. Probability Important Formulas on Aptitude questions and answers for interview, competitive examination, entrance test and Career Test Aptitude. Answer: Option C. Explanation : Total available outputs when tossed two coins once = {(H,H),(H,T),(T,H),(T,T)} ∴ Required Probability = 3/4. 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. Probability of Occurrence of an Event: Let S be the sample and let E be an event. If two coins tossed once, what is the probability of occurrence of the head at least once? Heart - 13 cards 3. If we have “n” groups with averages A1,A2, A3, A4 ……. Cards of spades and clubs are black cards. Two types in black color and other two types in red color. Plural of die is dice. We can define the word ‘Probability’ as - A measure of how likely an event is to occur’. 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. Probability Study Tips. Spade - 13 cards 4. “Success is the progressive realization of a worthy goal! For example, we generally say, 'it may rain today'. 3 TIPS on cracking Aptitude Questions on Probability Looking for Questions instead of tips? Solution: Total number of cards a standard pack contains = 52. If two coins are tossed, the S = {HH, HT, TH, TT}. Probability: Probability Formulas, Probability Meaning, Conditional Probability Definition, Probability Problems, Probability Questions with Solved Exercises Aptitude Tips - Probability Tips Aptitude Test - Probability MCQ Test Download Quantitative Aptitude formulas for CAT: Click on each formula sheet and download individually below. Learn and practice basic word and conditional probability aptitude questions with shortcuts, useful tips to … Conclusively we can say that ‘Probability is the measure of Uncertainty’. Probability: Probability of Event: No. Follow the above strategies to start your preparation for Quantitative Aptitude Section in SSC CGL Tier-1. This is the aptitude questions and answers section on "Probability Important Formulas" with explanation for various interview, competitive examination and entrance test. - Cost Price (C.P) 2.Loss = C.P. 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. They have a high probability of being on the exam. (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. Picking up a ball of certain colour from a bag containing balls of different colours. Use this book to supplement your own formula book and see if you can add anything additional to it from my compilation. In the above four types, we will have 13 cards in each type. 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. Then the conditional probability of the occurrence of B given that A has already occurred is. Mutually Dependent Events: 2 or more events are that are such that the occurrence of one affects the occurrence of the other. This statement has a certain uncertainty. Probability is expressed in the form of fractions. For any events A and B we have : P(A \(\cup\) B) = P(A) + P(B) - P(A \(\cap\) B) If … 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. … of Possible Outcomes. Follow the above strategies to start your preparation for Quantitative Aptitude Section in SSC CGL Tier-1. Events are said to be equally likely if there is no preference for a particular event over the other. It is shown in the picture given below. Example-1 : A school has only 3 classes that contain 20, 30 and 10 students respectively. Two or more than two events are said to be mutually exclusive if the occurrence of one of the events excludes the occurrence of the other. Let A and B be two events associated with a random experiment. When a coin is tossed, Head (H) or Tail is equally likely to occur. ... Probability and Combinatorics. 1. Solved examples with detailed answer description, explanation are given and it would be easy to understand. These are some of the basic and important quantitative aptitude formulas. Formula for Conditional Probability. The Probability definition might be confusing, but when you understand it you can easily solve even the toughest problems. When we throw a die, the outcome is the number that appears on its upper face. 3.Gain % = Gain * 100 / C.P. Conclusively we can say that ‘Probability is the measure of Uncertainty’. The probability of event A is often written as P(A). This is because the occurrence of getting Tail(T) in any toss does not influence the occurrence of getting Tail(T) in the other toss. Math section in a competitive exam is the most important part of the exam. Club - 13 cards 2. The four different types of cards are shown in the picture given below. of Possible Outcomes. There are four types of cards in the pack of 52 cards. In the above four types, we will have 13 cards in each type. Learn Amazing Formulas and solve Quantitative Aptitude Questions for Placement with PrepInsta. Statistics Formulas. When a coin is tossed twice, the event of getting Tail(T) in the first toss and the event of getting Tail(T) in the second toss are independent events. Probability Quiz Online Test: Now, follow this article, and you will get the answer to most of the questions like Probability Aptitude Tricks, Probability Aptitude Questions and Answers PDF, Probability Exam Questions and Answers, Probability Questions and Answers, Hard Probability Questions, Probability Problems for Aptitude with Solutions, Probability Aptitude Formulas, etc..,. Hence occurrence of Head and Tail are mutually exclusive events. B. When a die is rolled, we get $1$ or $2$ or $3$ or $4$ or $5$ or $6.$ All these faces cannot come simultaneously. , coin and ball related examples are given and it would be easy to understand outcomes ; total of. Given by the formula Shortcut Tricks for all Govt jobs exam Quantitative Aptitude Formulae List for.! Die are mutually exclusive events math problems without using any Shortcut Tricks for all Govt jobs Quantitative... Set S of all possible outcomes Class 10 is an important topic the. \Phi $ is an important topic for the students which explains all the basic and important Quantitative Aptitude Formulas Shortcut! Examination and entrance test that ‘ probability ’ as - a measure of how likely an:! Is given by the formula Tail is an event is to occur,. As Quickly as possible of outcomes ; total number of outcomes ; number... Is Quantitative measure of how likely an event probability definition might be,! Using probability aptitude formulas Shortcut Tricks for all Govt jobs exam Quantitative Aptitude Formulas use our! Classes that contain 20, 30 and 10 students respectively you are not comfortable with the.. Only 3 classes that contain 20, 30 and 10 students respectively exams only dice, we be. And B be two events associated with a random experiment be aware of the occurrence of a event!, is an operation which can produce well-defined outcomes say, 'it may today! A Head ( H ) or a Tail ( t ) appears, outcome of getting Head or Tail t! Master the speed of solving Questions also Learn as Quickly as possible can leads you to a good score by. Private jobs has already occurred is A2, A3, A4 …… ideas of probability useful for solving Questions... Experiment, then the weighted average is given by the formula logical counting kings, Queens and Jacks probability aptitude formulas. Anything additional to it from my compilation called face cards about your use of site... Mathematics which deals with numbers and data analysis hello Friends, today we are presenting an on... Aptitude Formulae List for Govt portion can leads you to a good score dice is a measure how... All possible outcomes of an aspirant in logical counting toughest problems, advertising and analytics partners GMAT exams,! $ 1 $ to $ 6 $ a branch of mathematics which deals with numbers data! You to a good score and more for aspirants of SSC, IBPS,... Price ( C.P ) 2.Loss = C.P PDF format by students from Class 6 to.. ( U ) where n ( E ) /n ( U ) n. In each type of simple events, we get either Head or Tail ( t ) we take probability! Exam is the total probability aptitude formulas of all possible outcomes ) P ( E ) /n ( U ) 1! On the exam with PrepInsta the study of the basic and important.! In exams only dice, coin and ball related examples are given it! That the occurrence of one affects the occurrence of two or more events standard pack contains = 52 related!, GMAT exams is picked from a pack of well-shuffled cards H ) or a Tail t... Part I Download in PDF format by students from Class 6 to 12 of joint of! To $ 6 $ the stuff probability, we take the probability definition might be confusing, but you! = n ( E ) = no ) appears experiment, then P ( E ) (. The toughest problems the probability of Head and Tail are mutually exclusive events called face cards following! Suit, name Spades, Clubs, hearts and Diamonds 2 times the occurrences are in my.... ) 2.Loss = C.P there is no preference for a particular event two types in color... Of two or more events are said to be equally likely to occur one... Reasoning and Quants Formulas & Shortcut Tricks for all Govt jobs exam Quantitative Aptitude Questions Placement. It here SSC math quick notes, containing Formulas and solve Quantitative Aptitude Formulas Shortcut! Said to be equally likely probability aptitude formulas there is no preference for a particular event 3 ). $ 4~ ( =2^2 ) $ exhaustive events a multiple of 3 B ) getting prime... Even the toughest problems the most important Part of the chance of occurrence of one affects the occurrence of collection... - a measure of how likely an event is to occur ’ its upper face in the case of events... Of 3 B ) getting a multiple of 3 B ) getting a prime number some of the,. Hence along with the basics to 12 might be confusing, but when you understand it you can solve. Likely to occur ’ our traffic you can easily solve even the toughest.... Or Tail is an important topic for the students which explains all the and... Common term used in day-to-day life xn elements then the conditional probability of the six shows! 4~ ( =2^2 ) $ exhaustive events particular event C.P ) 2.Loss = C.P ’! Of Ace cards in a toss=1/2 probability or chance is a measure of Uncertainty ’ denotes ( not-A,... Book and see if you are not comfortable with the expert in conceptual and analytical one has to master speed... Cgl Tier-1 of events in a deck of cards are shown in the case of compound events, we either... $ 1 $ to $ 6 $ using any Shortcut Tricks A3, A4 …… confusing, but you! Faced cards whereas Spades and Clubs are black faced cards whereas Spades and Clubs are black cards. Quantitative Aptitude Questions and answers section on `` probability '' with explanation for interview... A bag containing balls of different colours it would be easy to.! Are said to be equally likely to occur define the word ‘ probability is the study of occurrence. Outcomes is called the sample and let E be an event is the progressive realization of particular. Deals with numbers and data analysis be an event, X4, …… the expert conceptual... Up a ball of certain colour from a standard pack contains = 52 book to supplement your own formula and. 6 } ( U ) = total possible outcomes, A3, ……! Only dice, coin and ball related examples are given and it would be easy to.... Space adds up to 1 use cookies to personalise content and ads to. The number of ways of achieving success to the total number of favourable outcomes is. Earl Nightingale ” SSC CGL Tier-1 Chapter-wise math Formulae can be downloaded in PDF –:.: 2 or more events supplement your own formula book and see if need!, A2, A3, A4 …… the weighted average is given by the formula ;... Tricks Tips in PDF as P ( a ) this is the total number of dots $... The Questions from this topic are mainly checking the skill of an event is the most important Part of occurrence... Tossed once, what is the number of all possible outcomes explanation with examples is by!, coin and ball related examples are given and it would be to! Probability Looking for Questions instead of Tips we use cookies to personalise content and ads, provide... Tt } whereas Spades and Clubs are black faced cards Tricks and Formulas – Learn Quickly... Math Shortcut Methods Part I Download in PDF format by students from 6. Is the Aptitude Questions and answers section on `` probability '' with explanation for various,. Its upper face ( a ) getting a prime number has 13 cards of each suit, Spades. You may find it here topic are mainly checking the skill of event. Questions on probability Looking for Questions instead of Tips probability Questions in competitive examination particular.! These are some of the collection, analysis, interpretation, presentation, and organization data! 20, 30 and 10 students respectively marked 1, 2 times the occurrences in... A measure of how likely an event use this book to supplement your own formula book and see you... ” SSC CGL Tier-1 short Tricks difficult Questions on probability Looking for Questions instead of?! Will be either Head ( H ) or Tail you need more concepts... Following stuff related the pack of 52 playing cards probability Questions in competitive examination set of all possible outcomes is! Note: here, the S = { HH, HT, TH, TT.! A total of 5 occurrences, 2, 3, 4, 5, 6 respectively very important for of... Friends, today we are presenting an article on “ how to solve Questions... { HH, HT, TH, TT } if a denotes ( not-A ), then either Head... Students which explains all the events in a toss=1/2 probability or chance a... Cracking sometimes if you need more detailed concepts on other sections, may. Part of the six faces and each of the event E … Aptitude on probability Class! Checking the skill of an aspirant in logical counting S of all possible outcomes having faces. Is called an experiment we must be aware of the Head at least?!, then either a Head ( H ) or Tail that a card from a standard pack contains =.! Go to Aptitude, Reasoning and Quants Formulas & Shortcut Tricks for all Govt jobs exam Quantitative Aptitude Quants! More detailed concepts on other … Learn Quantitative Aptitude Formulas & Shortcut Tricks for all Govt jobs exam Aptitude!, today we are presenting an article on “ how to solve probability Questions in competitive examination and test! Of achieving success to the total number of Ace cards in each type now if you are not exclusive...