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 . 62
A circle has radius r and origin as its centre. Two tangents are drawn from an external point D, d distance away from the origin. what are the angles made by the tangents with the positive X-axis.
I. The co-ordinates of the point D are given
II. The X-axis bisects one of the tangents
Explanatory Answer
Method of solving this CAT DILR Question from Data Sufficiency question
(a) From the question itself, the shape of the figure is known and the only thing remaining is the orientation of the fig. The first statement fixes the position of the point D, which defines the orientation. The second statement gives us four sets of values, which can’t uniquely answer the query