ECAT Maths XII : Chapter 3 APPLICATION OF DIFFERENTIATION (test 1) Leave a Comment / By Afshan JAMAL / July 3, 2026 Welcome to your ECAT Maths XII : Chapter 3 APPLICATION OF DIFFERENTIATION (test 1) 1. The amount of water in a tank t minutes after it has started to drain is given by w = 100(t − 15)² gallons. The water is running out after 5 minutes at the rate of: 1500 gal/min 2500 gal/min 3000 gal/min −2000 gal/min None None Previous Start Quiz Next Time's up
