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1. The following table gives zone-wise survey report of the people of a country who take coffee. Study the table and answer the questions.
The ratio of the total number of people surveyed who take coffee more than 3 times a day to the total number of people who do not take coffee at all is-
= 410 + 310 + 700 + 1450
= 2870
Total number of people who do not take coffee at all
= 950 + 430 + 620 + 50
= 2050
∴ Required ratio
= 2870 : 2050
= 1.4 : 1
| Take Coffee | Zone | |||
| North | East | West | South | |
| More than 3 times a day | 410 | 310 | 700 | 1450 |
| 1 to 3 times a day | 1220 | 830 | 1250 | 1120 |
| Twice a week | 1640 | 710 | 950 | 420 |
| Only once a week | 620 | 540 | 530 | 350 |
| Never | 950 | 430 | 620 | 50 |
The ratio of the total number of people surveyed who take coffee more than 3 times a day to the total number of people who do not take coffee at all is-
Solution:
Number of people who take coffee more than 3 times a day= 410 + 310 + 700 + 1450
= 2870
Total number of people who do not take coffee at all
= 950 + 430 + 620 + 50
= 2050
∴ Required ratio
= 2870 : 2050
= 1.4 : 1