CSAT (Aptitude)·Mains Questions
Day and Date Calculations — Mains Questions
Updated 19 Oct 2026
Q1150 words / 10 marks
Reasoning practice: Given Monday on 1 January 2024, derive the weekday of 1 March and explain two likely wrong answers.
Q2250 words / 15 marks
Reasoning practice: Explain why a matching-date interval involving a leap year can contain either 365 or 366 days.