Question

The following table gives the monthly expenditure of two families:

| | Expenditure (in ₹) |
| Items | Family A | Family B |
| Food | 3,500 | 2,700 |
| Clothing | 500 | 800 |
| Rent | 1,500 | 1,000 |
| Education | 2,000 | 1,800 |
| Miscellaneous | 2,500 | 1,800 |

In constructing a pie diagram to the above data, the radii of the circles are to be chosen by which one of the following ratios?

A. 1 : 1

B. 10 : 9

C. 100 : 91

D. 5 : 4

Answer 1

Correct option B. 10: 9

Explanation:

Total expenditure on the all items of family A = 10000

Total expenditure on the all items of family B = 8100

On pie chart, ratio of area of A and B = 10000:8100 = 100:81

∴ Ratio of radii of A and B = √100 : √81 = 10:9