# CBSE Class-12 Economics: Questions 219 - 225 of 523

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## Question number: 219

Appeared in Year: 2011

### Write in Short

Why is a production possibility curve concave? Explain.

## Question number: 220

Appeared in Year: 2009

Essay Question▾

### Describe in Detail

Complete the following table:

 Output (units) Price ( Rs. ) Average revenue Total Revenue ( Rs. ) Marginal Revenue ( Rs. ) 4 9 36 - 5 - - 4 6 - 42 - 7 6 - - 8 - 40 -

### Explanation

 Output (units) Price ( Rs. ) Average revenue Total Revenue ( Rs. ) Marginal Revenue ( Rs. ) 4 9 36 - 5 8 40 (8 Equation 5) 4 (40 - 36) 6 7 (42/7) 42… (61 more words) …

## Question number: 221

Appeared in Year: 2006

Essay Question▾

### Describe in Detail

From the following data, calculate “gross value added at factor cost”.

 - ( Rs. in lakhs) Sales 180 Rent 5 Subsidies 10 Change in stock 15 Purchase of raw materials 100 Profits 25

### Explanation

value added at factor cost = Sales + Change in stock - Purchase of raw materials + Subsidies

= 180 + 15 - 100 + 10

= Rs. 105 lakh

## Question number: 222

Appeared in Year: 2011

Essay Question▾

### Describe in Detail

When price of a foreign currency rises, its demand falls. Explain why?

### Explanation

When the price of foreign currency rises then it involve that foreign goods have become expensive for the domestic residents of the country. This results in a fall in the demand for foreign goods by the domestic residents. So, the demand for foreign currency falls.

For example, suppose the rupee-dollar… (50 more words) …

## Question number: 223

» Producer Behaviour and Supply » Supply » Elasticity of Supply

Appeared in Year: 2010

Essay Question▾

### Describe in Detail

At a price of Rs. 5 per unit of commodity A, total revenue is Rs. 800. When its price rises by 20 percent, total revenue increases by Rs. 400. Calculate its price elasticity of supply.

### Explanation

In this initial price (P1) = 5

Total revenue (TR) =800

So, Total revenue = price Quantity

800 = 5 Quantity

Quantity = = 160

Given: 20 % rise in price, means P = 20%

20 % of 5 = =1

So, P1 = 5+1… (66 more words) …

## Question number: 224

Appeared in Year: 2010

### Write in Short

How is primary deficit calculated?

## Question number: 225

Appeared in Year: 2012

Essay Question▾

### Describe in Detail

Find Net value added at Market price:

 - Price (Rs) Output sold (units) 800 Price per unit of output 20 Exercise duty 1600 Import duty 400 Net change in stocks (-) 500 Depreciation 1000 Intermediate cost 8000

### Explanation

Net value added at Market price = Total value of sales + change in stock – Intermediate consumption – Depreciation

= (800 20) + (-500) – 8000 - 1000

= 6500rs.

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