CAT 2020 Slot 3 QA Q26 Number Systems

Question 26 of the Quantitative Ability (QA) section, CAT 2020 Slot 3, with CAT's official answer.

How many pairs (a,b) of positive integers are there such that a ≤ b and ab = 42017?
  1. A
    2019
  2. B
    2018
  3. C
    2020
  4. D
    2017

Answer: (B) 2018 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.