CAT DILR Questions | CAT Data Sufficiency questions
Comprehension
Directions for Questions: These questions are based on the information given below.
In each question, you are given certain data followed by two statements, for answering the question
Mark (a) , if the question can be ansered with the help of one of the statements, but not with the help of the other statement.
Mark (b), if the question can be answered with the help of either of the statements alone.
Mark (c), if the question can be answered only with the help of both the statements
Mark (d), if the question can not be answered even with the help of both the statements together
CAT/1999
Question . 66
A, B, C, D, are four students. How many of them have passed?
I. Following statement is true: A & B have passed
II. Following statement is false : at least one of C & D has passed
Explanatory Answer
Method of solving this CAT DILR Question from Data Sufficiency question
(c) Statement 1 gives that A & B have passed, nothing is definite about the other two. Statement 2 alone is also not enough to determine the passed students exactly, which only means that none of C & D have passed. But when combined, they conclude that A & B have passed and C & D have failed.