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.
CAT/1997
Question . 80
Is the number completely divisible by 99?
I. The number is divisible by 9 and 11 simultaneously
II. If the digits of the number are reversed, the number is divisible by 9 and 11
Explanatory Answer
Method of solving this CAT DILR Question from Data Sufficiency question
(b) The number is divisible by 99 if its reverse is divisible by 9 and 11 and also it will be divisible by 9 and 11, this is property of divisibility test of 9 and 11. Hence if reverse is divisible by 9 and 11, then number is also divisible.