Question

a fruit vendor had some mangoes with him he threw away 10% mangoes which were spoiled and sold 75% of the remaining still 90 mangoes remained with him find the total number of mangoes he had with him

Answer 1

may be he is having 400 mangoes

Answer 2

let the total of mangoes=x
spoiled mangoes= 1/10x
(x-1/10x)*25/100=90
x-x/10=360
9x/10=360
9x=3600
x=400

total mangoes= 400