CAT DILR Questions | CAT Data Sufficiency questions
Comprehension
Directions for Questions: These questions are based on the information given below.
Mark (a), if the question can be answered with the help of statement 1 alone,
Mark (b), if the question can be answered with the help of any one statement independently,
Mark (c), if the question can be answered with the help of both statements together,
Mark (d), if the question cannot be answered even with the hlep of both statements together.
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Explanatory Answer
Method of solving this CAT DILR Question from Data Sufficiency question
(d) Since both the equations 3x + 2y = 45 ......(1)
Multiply (1) by 3.5 and 10.5x + 7y = 157.5 ......(2)
Both are same equations i.e equations of parallel lines, hence their solution cannot be found even using both the equation.