Given: Total number of mangoes = 30,000 Spoiled mangoes = 25% (4/5)th part of remaining mangoes sold Calculation: According to the question Number of spoiled mangoes = 30,000 × 25% ⇒ spoiled mangoes = 7500 ⇒ Fresh mangoes = 30,000 - 7500 = 22,500 ⇒ Number sold mangoes =(
4
5
)×22,500 ⇒ 4 × 4500 = 18000 ⇒ Remaining mangoes = 22,500 - 18000 = 4500 ∴ The number of remaining mangoes is 4500