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hey,

When the pendulum A with time period 45T​ completes phase of 2π in 45T​, the other pendulum B leads by phase 2π​.
So after 4 oscillations of pendulum A i.e. after 5T, pendulum B leads by 2π i.e they come in phase.
i.e. after 5 oscillations of small pendulum ( Time taken=5T), they will again come in the same phase.

Correct Answer is: (b) Statement-1 is True, Statement-2 is True; Statement-2 is not a correct explanation for Statement-1.

b is the correct answer

Correct option is A) was

(c) trumpeting

Correct option is B) shody

1. Role of government: In both the developed and developing countries, apart from capitalist sector, there is the institution of state. The role of the state includes framing laws, enforcing them and delivering justice. The state here refers to the government which performs various developmental functions for the society as whole.

It undertakes production, apart from imposing taxes and spending money on building public infrastructure, running schools, providing health services, etc. These economic functions of the state have to be taken into account when we want to describe the economy of the country.

2. Role of household sector: By household we mean a single individual who takes decisions relating to her own consumption or a group of individuals for whom the decisions relating to consumption are jointly determined. Households consist of people. These people work in firms as workers and earn wages.

They are the one who work in government departments and earn salaries or they are the owners of firms and earn profits. Therefore, the market in which the firms sell their products could not have been functioning without the demand coming from the households. Further, they also earn rent by leasing land or earn interest by lending capital.

An externality is a cost or benefit conferred upon second or third parties as a result of acts of individual production and consumption. But the cost or benefit of an externality cannot be measured in money terms because it is not included in market activities.

In other words, externalities refer to the benefits or harm a firm or an individual causes to another for which they are not paid or penalized. They do not have any market in which they can be bought and sold. There are two types of externalities viz.,

1. Positive externalities 

2. Negative externalities.

For example, let us imagine that there is chemical fertilizer industry. It produces the chemical fertilizers required for agriculture. The output of the industry is taken for counting GDP of an economy. This is positive externality.

While carrying out the production, the chemical fertilizer industry may also be polluting the nearby river. This may cause harm to the people who use the water of the river. Hence their health will be affected. Pollution also may kill fish and other organisms of the river. As a result, the fishermen of the river may lose their livelihood. Such harmful effects that the industry is inflicting on others, for which it will not bear any cost are called negative externalities.

Balance of trade is the difference between the value of exports and value of imports of goods of a country in a given period of time. Export of goods is entered as a credit item in balance of trade. Import of goods is entered as a debit item in balance of trade. It is also called as trade balance. Balance of that is said to be in balance when exports of goods are equal to the imports of goods, i.e. balanced balance of trade.

Surplus balance of trade arises if country’s exports of goods are more than its imports. Deficit balance of trade arises if a country’s imports of goods are more than its exports. Balance of trade is narrow concept and it may not show the international economic position of an economy. It gives partial picture of international transactions and it is less reliable. It does not include net invisibles, i.e. the difference between the value of exports and value of imports of invisibles (services) of a country in a given period of time.

The full form of ATM is Automated Teller Machine.

Walking inflation is in no way dangerous to the economy.

(a) Automated Teller Machine

Commercial Banks create credit in favour of the customers.

1. Demand: The demand assessment will be based on the size of market being targeted, it will also involve a study of the target groups of consumers, their preferences, tastes and other related variables. 

2. Supply and nature of competition: Complete analysis of quantities of the product made available in the market by all the existing players should be looked into carefully. It should also take into account future supplies from possible entrants in the field. 

3. Cost and price of product: It is important to determine the cost of the product and its comparison with available products in the market. Cost variable of competitors in terms of transportation delays, wastage, storage etc., have to be studied to spot cost advantage. This will influence the delivery mechanism of the identified product or service. 

4. Project innovation and change: Market assessment will require a study of prevailing innovations and changes being carried out by existing entrepreneurs. Technological advancements in the field have to be analysed because they may change the quality and influence the cost and price ultimately.

Selection of an enterprise demand on Self Ability of Entrepreneur.   

d. The profitable options in line of production

Demand force casting is termed as Marketing Demand. 

The Point which Considered while selecting an enterprise is Availability of capital. 

Competition, Cost of Production and Product Possibility factors is to be considered, While selecting a product of Service.