1. 

How many marks did Priya secure in English ?

I. The average marks obtained by Priya in four subjects including English is 60.

II. The total marks obtained by her in English and Mathematics together is 170.

III. The total marks obtained by her in Mathematics and Science together is 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: Option E

Explanation:

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.

Correct answer is (E).