A fruit seller had some oranges. He sells 40% oranges and still has 420 oranges. How many oranges he had originally? Choose the most appropriate option:  A) 500  B) 700  C) 750  D) 900  E) 950
He sells 40% of oranges and still there are 420 oranges remaining.   =&gt; 60% of oranges = 420   =&gt; Total oranges   ×   60   100   =   420   ×60100=420   =&gt; Total oranges   =   420   ×   100   60   =   700   Option 700
<result>B</result>
A fruit seller had some oranges. He sells 40% oranges and still has 420 oranges. How many oranges he had originally?