Simplification Questions for SSC

Mar 11, 2025

Simplification Questions for SSC SIMPLIFICATION BODMAS Rule: This Rule depicts the correct sequence in which the operations are to be executed, so as to find out the value of a given expression . Here, B – Bracket O – Of D – Division M – Multiplications A – Addition S…

Algebra Definition and Examples

Mar 11, 2025

Algebra Definition and Examples ALGEBRA Sum of first n natural numbers = n(n+1)/2 Sum of the squares of first n natural numbers = n(n+1)(2n+1)/6 Sum of the cubes of first n natural numbers = [n(n+1)/2]2 Sum of first n natural odd numbers = n2 Average = (Sum of items)/Number of…

Permutation and Combination Formula

Mar 11, 2025

Permutation and Combination Formula Factorial Notation Let n be a positive integer. Then, factorial n, denoted n! is defined as: n! = n(n – 1)(n – 2) … 3.2.1. POINTS TO REMEMBER 0! = 1. 1! = 1. 2! = 2. 3! = 6. 4! = 24. 5! = 120….

Probability Formula

Mar 11, 2025

Probability Formula An experiment in which all possible outcomes are know and the exact output cannot be predicted in advance, is called a random experiment. Examples: Rolling an unbiased dice. Tossing a fair coin. Drawing a card from a pack of well-shuffled cards. Picking up a ball of certain colour…

Average Formula

Mar 11, 2025

Average Formula Average : ( Sum of Observation / Number of Observations ) Suppose a Man cover a certain Distance at X kmph and an equal distance at Y kmph . Then , the average speed during the whole journey is [ 2XY / (X+Y) ]

CSBC Bihar Police Constable Recruitment 2023 Syllabus

Mar 11, 2025

CSBC Bihar Police Constable Recruitment 2023 Syllabus Vacancy Details: 21391 Constable Posts Last Date: July 20, 2023 Eligibility: Intermediate level of Examination (10+2) from recognized Board/Madrasa Board Application Procedure: The Eligible and interested candidates can apply for the post on CSBC Bihar website. Official Notification: https://freeebook.jagranjosh.com/free-pdf-page?file=bihar-police-recruitment-2023.pdf Official Website www.csbc.bih.nic.in  

Operations on Numbers

Mar 11, 2025

Operations on Numbers Divisibility Rules: A number is divisible by 2 if it is an even number. A number is divisible by 3 if the sum of the digits is divisible by 3. A number is divisible by 4 if the number formed by the last two digits is divisible…

Bank of India PO Syllabus in detail for subject-wise topics, exam pattern

Mar 11, 2025

Bank of India PO Syllabus in detail for subject-wise topics, exam pattern Bank of India, a leading Public Sector Bank, conducted the Bank of India PO 2023 exam on 19th March 2023 for the recruitment of 500 vacancies of Credit Officer (General Banking stream) and IT Officer (Specialist stream). There…