UPSC Prelims 2021 · CSAT (Paper 2) · Q76

Basic Numeracy

Medium · Digit reversal

A two-digit number and the number formed by reversing its digits differ by 45, with the original number's tens digit larger than its units digit.

Consider the following statements about the tens digit (T) and units digit (U) of the original number:

1. T minus U equals 5.

2. T plus U must be an even number.

Which of the above statements is/are correct?