https://preparationpoint.info/solved-past-papers-mcqs/ppsc-past-papers/ppsc-past-papers-2018/model-paper-65-excise-taxation-inspector-bs-16-2018-region/to-fill-a-tank-25-buckets-of-water-are-required-how-many-buckets-of-water-will-be-required-to-fill-the-same-tank-if-the-capacity-of-the-bucket-is-reduced-to-two-fifth-of-its-present-capacity/