A man bought a number of bicycleo for Roo, 10,000. .
He kept one for his own use and then sold the rest at a
poice of Rs

A man bought a number of bicycleo for Roo, 10,000. .
He kept one for his own use and then sold the rest at a
poice of Rss, so more than the cost price, Beside getting
his own bicycle for nothing. he made a prutit of Rs
450. How many bicycles did he buy?​