Question

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Answer 1

Step-by-step explanation:

Example 1: Approximately how many degrees should be there in the central angle of the sector for agriculture expenditure?

1. 220

2. 213

3. 210

4. 208

Sol: In a pie chart, 100% is spread over 360°. Therefore 1 % = 3.6°. Agriculture expenditure = 59 %. Therefore 3.6 59 = 212.4°. Answer is (2)

Example 2: Approximately what is the ratio of expenditure on agriculture to that on dairy?

1. 8:3

2. 9:2

3. 70:1

4. 10:1

Sol: Over here, one common mistake is that students calculate the actual values of agriculture and dairy. Since budget expenditure is proportional to % of area covered, ratio of agriculture to dairy expenditure would be ratio of corresponding % allocations. Therefore, Agriculture/Dairy = 59/6 = 10/1. Answer is (4).

Example 3: In Haryana, in 2000, a total expenditure of Rs. 120mn was incurred. Approximately how many million did the Haryana government spend on roads?1. 15.4

2. 20

3. 10.8

4. 12

Sol: Total expenditure = 100% = Rs. 120 mn. Expenditure on roads = 9% = 9/100 × 120 = Rs. 10.8mn. Hence the answer is 3rdoption.

Example 4: If Rs. 9mn were spent in 2000 on Dairy, what would have been the total expenses in that year in million?

1. 150

2. 140

3. 160

4. 130

Sol : 9mn were spent on dairy. This amount represents 6% of total expenditure in the year 2000.

6 = (Dairy expenditure/Total expenditure ) × 100

6 = (9/Total expenditure ) × 100

Total Exp = 100 × (9/6) = Rs. 150mn. Hence, answer is option 1.

Example 5: In 1999, Haryana spent 11% of all its expenses on Roads. “Did Haryana spend more on Roads expenditure in 1999 than in 2000?” To answer the question, we

1. Do not require any additional data.

2. Require to know the total amount spent in each year.

3. Require the exact %age break-up of the various items of expenses in 1999.

4. Require the expenditure on dairy in both the years.

Sol: % gives us just a proportional indication of total quantity.

Unless total expenditure is known, % of that is meaningless.

Hence, to compare expenditure on roads in 1999 and 2000, the total amount spent must be known.

Answer is (2).

DIRECTIONS for questions 6-10: Refer to the pie charts given below and answer the questions that follow.