As Russian President Vladimir Putin announced partial mobilisation of its 2 million-strong military reserves amid Moscow's invasion of Ukriane, Ukraine's defence Minister Oleksii Reznikov raised a mathematical question for the Russians.

“Mathematics the Russian way. The most popular math problem for Russian schoolchildren and their parents this fall,” the minister said in a tweet asking how long will Russia's war against Ukraine lost if it continues until all of Moscow's mobilised troops are killed.
Read more: Many Russians flee to avoid Putin's military call-up for Ukraine war: 5 points
“Do the math. Think about it,” he added.
Announcing the move for a partial call-up Vladimir Putin said that the decision was taken “to defend the motherland, its sovereignty and territorial integrity”. The call-up has been seen as an escalation by the West with the US and other countries slamming Putin's move that comes at a time when Russia's invasion has faced severe setbacks in Ukraine.
{{/usCountry}}Announcing the move for a partial call-up Vladimir Putin said that the decision was taken “to defend the motherland, its sovereignty and territorial integrity”. The call-up has been seen as an escalation by the West with the US and other countries slamming Putin's move that comes at a time when Russia's invasion has faced severe setbacks in Ukraine.
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