Question 7
How many odd digits are there in the result of $1\,111\,111\,111\times9\,999\,999\,999$?
SEAMO 2027 - Paper D - SET 10 - Self-study Question 7
SEAMO · SEAMO 2027 - Paper D - SET 10 - Self-study
SEAMO · SEAMO 2027 - Paper D - SET 10 - Self-study