Exactly two-fifths of NBA players who signed up for a test are aged between 25 and 35 years. If three-eighths of them are older than 35, and a total of 1000 players signed up, how many players are younger than 25 years?
Two-fifths of 1000 players is (2/5)*1000 = 
<gadget id="calculator">(2/5)*1000</gadget>
<output>400</output>
400 players.
Three eights of 1000 players is (3/8)*1000 = 
<gadget id="calculator">(3/8)*1000</gadget>
<output>375</output>
375 players.
The total number of players 25 or older is 400+375 = 
<gadget id="calculator">400+375</gadget>
<output>775</output>
775.
The number of players younger than 25 years is 1000-775 = 
<gadget id="calculator">1000-775</gadget>
<output>225</output>
225 players.

<result>225</result>