The population is the collection or group of observations under study in a survey sampling.The total number of observations in a population is known as population size and it is denoted by N.

An equated monthly instalment(EMI) is a fixed payment amount made by a borrower to a lender at a specified date each calendar month.

The determinant of a matrix is a number that associated with the square matrix. This number may be positive, negative or zero.

Sequencing problems deals with the selection of an optimum order for the number of jobs to be performed with a finite number of facilities.

Integration is the reverse process of differentiation. It is also called anti-differentiation.

Probability theory: In many real life situations when we are unable to forecast the future with complete certainty. That is, in many decisions, we face the uncertainty. This leads to the study and use of the probability theory.

Linear programming problems having two variables can be easily solved by a graphical method which provides a pictorial representation of the solution and we get insights into the basic concept used in solve LPP.

compound interest is calculated on interest as well as on principal. Therefore, compound interest is sometimes described as ‘interest on interest’.

A distribution is said to be a binomial distribution if the following conditions are met. 1. Each trial has a binary outcome (One of the two outcomes is labeled a ‘success’)

Liquidity adjustment facility is a technique/tool of monetary policy of the Reserve Bank of India. It allows commercial banks to borrow from the Reserve Bank of India.

Asset reconstruction company is a specialised financial institution/ non-banking institution that are engaged in the business of purchasing ill assets/ non-performing assets of companies/banks.

Ease of doing business is an index of the ranking system of the world bank.

A Servo motor is similar to an induction motor having two primary windings placed 90 degrees apart in magnetic position.

The state variables can be explained as a minimal set of states of a system which helps to determine behavior of the system.

The Routh Hurwitz’s Criterion states that the system is stable if and only if all the elements in the first column have same algebraic sign.

The Nyquist criteria is a semi graphical method that determines stability of CL system investigating the properties of the frequency plot.

The Feedback amplifiers increase the signal strength by providing feedback back to the system at the input end.

Wien bridge oscillator is an audio frequency sine wave oscillator of high stability and simplicity with no phase shift in feedback network.

The IMPATT diode (Impact ionization Avalanche Transit-Time) is one which is used in high frequency applications and is a high power diode.

Greenfield investment is a type of Foreign direct investment where the foreign investor makes equity investment in new projects of other countries.