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Discussion

Mathematics Preparation for SAT
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Mr. Manjit has 76% vision in his left eye. The vision in his right eye is 7% less than that in the left eye. On corrective therapy, he starts wearing glasses, which augments his vision by 18% in the left eye and 11% in the right eye. Find out the percentage difference between normal vision that he possesses after corrective therapy and before this. (Assume that a person's eyesight is a multiplicative construct of the eyesights of his left and right eyes.)

 
42.25%
43.40%
43.70%
44.40%

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Ranjit

Augmented eyesight has been added to 1 instead of his previous eyesight respectively. Why? such condition is not mentioned in the question.