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This is a pie-chart for the data on A, B, O, AB blood groups of 150 donors. Observe the pie-chart and answer the questions.

The ratio of donors having blood group 'A' to the average of the donors having blood group 'O', 'B' and 'AB' is :

A

`4:3`

B

`4:5`

C

`5:4`

D

`3:4`

Text Solution

Verified by Experts

The correct Answer is:
D
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