A student scores 55% marks in 8 papers of 100 marks each. He scores 15% of his total marks in English. How much does he score in English?
(a)44
(b)45
(c)66
(d)77
(e)None of these
Answer
Answer (as printed): C
Explanation
Total marks obtained by the student = 55\% of $800=\left(\frac{55}{100} \times 800\right)=440$. $\therefore$ Marks scored in English $=15 \%$ of $440=\left(\frac{15}{100} \times 440\right)=66$.
Explanation as extracted from the printed page; notation may be imperfect.