Akash scored in Subject A = 73 marks
Akash scored in Subject B
=56% of 150
=150×=84 marks
Akash scored in Subject C = x marks
Maximum marks of all three subject is 150.
∴ Total marks = 150 × 3 = 450
Now, according to the question,
Marks obtained in Subject A + Marks obtained
in Subject B + Marks obtained in Subject C = 54% of total marks
⇒
73+84+x=450× ⇒ x + 157 = 243
⇒ x = 243 - 157 = 86
∴ x = 86
Hence, Akash scored 86 marks in Subject C.