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The number of students appeared from a s...

The number of students appeared from a school for the Madhyamik Examination in three consecutive years are in the ratio 7:8:10 and 75%, 87.5% and 93.75% of the students of respective years were successful. What is the percentage of students who were successful during these three years taken together?

A

0.855

B

0.865

C

0.87

D

0.885

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