Time And Distance And Intrest

 Time and distance Relationship between speed, distance and time Speed = Distance / Time or Distance = Speed × Time Average Speed = 2xy / x+y where x km/hr is a speed for certain distance and y km/hr is a speed at for same distance covered. As we know, Speed = Distance/ Time. … Read more

Management Marketing

 Marketing MANAGEMENT   MARKETING MANAGEMENT is a social and managerial process by which individuals or firms obtain what they need or want through creating, offering, exchanging products of value with each others.   CORE CONCEPTS OF MARKETING   NEED/ WANT/ DEMAND:   Need: It is state of deprivation of some basic satisfaction.   … Read more

Relative Speed And Train Questions

 RELATIVE SPEEED AND TRAIN QUESTIONS Speed has no sense of direction unlike the velocity. Relative speed is the speed of one object as observed from another moving object. Questions on train are the classic examples of relative speed and in all these questions it is assumed that trains move parallel … Read more

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

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

Skill development

SKILL DEVELOPMENT Introduction India is passing through the phase of demographic transition which could be the biggest opportunity or the biggest concern of the country depending upon the utilization of its huge work force. India adds 12 million people to its workforce annually, but very few have any formal skill training. Today, less than four … Read more

Earth in Solar system, Motion of the Earth

The Solar System consists of the Sun and its eight main planets, their satellites, asteroids, comets, meteors and other dwarf planets. The Sun is at the one of the two “centers” of The Solar System and the planets revolving around it in elliptical orbits. The sun is in the centre of the solar system. It … Read more

Quick Revision : Management

Management Definition/ concept Management is a social process involving responsibility for economical and effective planning and regulation of operation of an enterprise in the fulfillment of given purpose.  Management is the process of getting things done with the aim of achieving goals effectively and efficiently. Management aims at guiding their effort towards achieving a common … Read more

Geographical location of Andhra pradesh

Geographical location of Andhra pradesh:- Introduction:- This is one of the south Indian states and is positioned in the coastal area towards the south eastern part of the country. Because of its location in the merging area of the Deccan plateau and the coastal plains, the state has got varied physical features. Being ruled by … Read more