## Data Sufficiency In Statistics

﻿ Data Sufficiency in Statistics A sufficient statistic is a statistic that summarizes all of the information in a sample about a chosen parameter. For example, the sample mean, x̄, estimates the population mean, μ. x̄ is a sufficient statistic if it retains all of the information about the population mean that was contained … Read more

## Distance Between Two Points

﻿ Distance between two points Here is how to calculate the distance between two points when you know their coordinates:     Let us call the two points A and B     We can run lines down from A, and along from B, to make a Right Angled Triangle. And with a little … Read more

## Average

﻿ Average   What is Average? The result obtained by adding several quantities together and then dividing this total by the number of quantities is called Average. The main term of average is equal distribution of a value among all which may distribute persons or things. We obtain the average of a number using formula that … Read more

## Profit Loss

﻿ Profit and loss   IMPORTANT FACTS Cost Price: The price, at which an article is purchased, is called its cost price, abbreviated as C.P.   Selling Price: The price, at which an article is sold, is called its selling prices, abbreviated as S.P.   Profit or Gain: If S.P. is greater than C.P., the seller is said … Read more

## HCM And LCM And Time And Work

﻿ HCM and LCM Factors A factor of a number are all those numbers, which exactly divide the given number. “Exactly divides” means that when a number is divided by its factor the reminder is always  0. For example: 1,2,and 4 are the factors of 4. Multiples Multiples of a number are those numbers … Read more

## Vedic Mathematics

﻿ Vedic Mathematics Vedic Mathematics is a collection of Techniques/Sutras to solve mathematical arithmetics in easy and faster way. It consists of 16 Sutras (Formulae) and 13 sub-sutras (Sub Formulae) which can be used for problems involved in arithmetic, algebra, geometry, calculus, conics. Some vedic maths trics  Multiply a number by 9   Multiply … Read more

## Compound Interest

﻿ Compound Interest   Let Principal = P, Rate = R% per annum, Time = n years.   When interest is compound Annually:    Amount = P 1 + R n 100 When interest is compounded Half-yearly:     Amount = P 1 + (R/2) 2n 100 When interest is compounded Quarterly:     Amount = … Read more

## Mixed Ration And Proportion

﻿ Mixed ratio and proportion Ratio Introduction: Ratio is the relation which one quantity bears to another of the same kind. The ratio of two quantities a and b is the fraction a/b and we write it as a: b. In the ratio a: b, we call a as the first term or antecedent and b, … Read more

Hope we have satisfied your need for KPSC Prelims and Mains Preparation

#### Kindly review us to serve even better

KPSC Mains Test Series 2022

20 Quality mock tests and GS Mains Notes

Mains Test Series and Notes

Mains Printed Notes (With COD)

KPSC Prelims Test Series 2022

24 Quality mock tests and GS Prelims Notes

Prelims Test Series and Notes

Prelims Printed Notes (With COD)

[jetpack_subscription_form title=”Subscribe to KPSC Notes” subscribe_text=”Never Miss any KPSC important update!” subscribe_button=”Sign Me Up” show_subscribers_total=”1″]

error: Content is protected !!