Question

How many marks did Tarun secure in English?
I. The average mark obtained by Tarun in four subjects including English is 60.
II. The total marks obtained by him in English and Mathematics together are 170.
III. The total marks obtained by him in Mathematics and Science together are 180.

• A. I and II only
• B. II and III only
• C. I and III only
• D. All I, II and III
• E. None of these

Answer 1

Answer: (E)

None of these

I gives, total marks in 4 subjects = (60 x 4) = 240.
II gives, E + M = 170
III gives, M + S = 180.
Thus, none of (A), (B), (C), (D) is true.
$\therefore$ Correct answer is (E).