1.

Read the following question and decide which of the given statements is are sufficient.Question:The total marks of X, Y and Z is 180. What is X’s marks?Statements:1. Average of Y and Z together is 50 marks2. Average of X and Z together is 60 marks

A. Both 1 and 2 together are sufficient
B. Either 1 or 2 is sufficient
C. 1 alone is sufficient while 2 alone is not sufficient
D. 2 alone is sufficient while 1 alone is not sufficient
Answer» D. 2 alone is sufficient while 1 alone is not sufficient


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