(i) Galloping inflation or hyper inflation points out to unmanageably high inflation rates that run into two or three digits
(ii) By high inflation the percentage of the same is almost 20% to 100% from an overall perspective.

Keynes extended his equation in the following form:
n = p (k + rk') or p = n/(k + rk')
Where,
n = total money supply
p = price level of consumer goods
k = peoples' desire to hold money in hand (in terms of consumer goods) in the total income of them
r = cash reserve ratio
k' = community’s total money deposit in banks, in terms of consumers goods

M1 = Currency, coins and demand deposits
M2 = M1 + Savings deposits with post office savings banks
M3 = M2 + Time deposits of all commercial and cooperative banks.
M4 = M3 + Total deposits with Post offices.

Money is the most liquid form of capital. In other words, capital in the form of money can be put to any use.

The paper currency standard refers to the monetary system in which the paper currency notes issued by the Treasury or the Central Bank or both circulate as unlimited legal tender.

(i) The essential feature of deflation is falling prices.
(ii) If prices full from the level of full employment both income and employment will be adversely affected.

(i) Increase in Money Supply.
(ii) Increase in Disposable Income
(iii) Increase in Public expenditure

(i) Money is the most liquid form of capital. 
(ii) In other words, capital in the form of money can be put to any use.

Money facilitates the distribution of income asrent, wage, interest and profit.

(i) "Too much of Money chasing too few goods" - Coulbourn
(ii) "A state of abnormal increase in the quantity of purchasing power" - Gregorye

(i) Plastic money refers to the hard plastic cards used everyday in place of actual bank notes.
(ii) They aim at removing the need for carrying cash to make transactions.
(iii) (E.g.) Cash cards, Credit cards, Debit cards, Pre-paid Cash cards, Store cards, Forex cards and Smart cards.

(i) The value of the monetary unit is directly linked with a certain weight of gold.
(ii) The purchasing power of a unit of money is maintained equal to the value of a fixed weight of gold.

(i) Exchange of goods for goods.
(ii) Commodities and services were directly exchanged for other commodities and services.

(i) Money is, what money does - Walker:
(ii) Money can be anything that is generally acceptable as a means of exchange and at the same time acts as a measure and a store of value. - Crowther.