A crate of mangoes contains one bruised mango for every thirty mango in the crate. If three out of every four bruised mango are considerably unsaleable and there are 12 unsaleable mangoes in the crate then how many mango are there in the crate? Options:
A) 480  B) 520  C) 360  D) 280  E) 420
Let the total no of mangoes in the crate be X.   Then the no of bruised mango = 1/30 X   Let the no of unsaleable mangoes =3/4 (1/30 X) ==&gt; 3/120 X = 12   1/40 X =12   X=480   so the answer is Option 480) 480.
<result>A</result>
A crate of mangoes contains one bruised mango for every thirty mango in the crate. If three out of every four bruised mango are considerably unsaleable and there are 12 unsaleable mangoes in the crate then how many mango are there in the crate?