The average marks of a student in six subjects was initially 110. After re-evaluation, in one subject the marks obtained was reduced from 148 to 112, while in the rest of the subjects the marks remained unchanged. What is the new average marks ?

104

Sum of marks in six subjects = 6 × 110 = 660

Total marks reduced = 148 - 112 = 36

Reduction in average by = \(\frac{36}{6}\) = 6 marks

So , New average = 110 - 6  = 104