CAT 2018 Slot 2 QA Q26 Number Systems

Question 26 of the Quantitative Ability (QA) section, CAT 2018 Slot 2, with CAT's official answer.

How many two-digit numbers, with a non-zero digit in the units place, are there which are more than thrice the number formed by interchanging the positions of its digits?
  1. A
    5
  2. B
    8
  3. C
    7
  4. D
    6

Answer: (D) 6 Number Systems MCQ

A worked solution for this question is being written. Meanwhile, practise it in a timed mock and see how other aspirants did.

Same concept in other years

More Number Systems questions from CAT

All 40 Number Systems questions asked since 2017.