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प्रश्न
Following table shows the percentage of donors as per the blood group, the central angle for the group ‘O’ is:
| Blood group | O | A | B | AB |
| % Of persons | 60 | 20 | 15 | 5 |
विकल्प
72°
108°
216°
54°
MCQ
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उत्तर
216°
Explanation:
The central angle for a sector = `("Percentage")/100 xx 360^circ`.
So for O: `60/100 xx 360^circ`
= 0.6 × 360°
= 216°
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