UPSC Prelims 2023 · CSAT (Paper 2) · Q28
Basic Numeracy
Medium · Digit sums
Each digit of a 7-digit number is 1. It is multiplied by itself. What is the sum of the digits of the resulting number?
UPSC Prelims 2023 · CSAT (Paper 2) · Q28
Medium · Digit sums
Each digit of a 7-digit number is 1. It is multiplied by itself. What is the sum of the digits of the resulting number?