Question

How did the mathematics teacher prove that he was more 'shrewd' than the former pupil?​

Answer 1

Answer:

The Mathematics teacher proved that he was more 'Shrewd' than the former pupil. ... The teacher showed his favour towards Wasserkopf and called his claim for refund genuine. Wasserkopf calculated the amount of refund correctly. The answer made him call Wasserkopf as a mathematical genius.

Answer 2

Answer:

first question was little out of way but for his second question to calculate the refund amount the answer was correct on getting right answer he called his claim for refund genius and called his mathematics genius does he proved he was more s h r e w e d that w a s e r k o p t