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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 percentage of people from north-west zone who take coffee only once a week is approximately.
= 620 + 540 + 350
= 1510
∴ Required percent
| 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 percentage of people from north-west zone who take coffee only once a week is approximately.
Solution:
People who take coffee only once a week in there zones= 620 + 540 + 350
= 1510
∴ Required percent