UPSC Prelims 2021 · CSAT (Paper 2) · Q79
Basic Numeracy
Hard · Repunit multiples
What is the smallest number which, when multiplied by 7, gives a product consisting only of the digit 1 repeated (such as 111 or 1111)?
UPSC Prelims 2021 · CSAT (Paper 2) · Q79
Hard · Repunit multiples
What is the smallest number which, when multiplied by 7, gives a product consisting only of the digit 1 repeated (such as 111 or 1111)?