6. A village, having a population of 4000, requires 150 litres of water per head per day. It has a tank measuring 20 m × 15 m × 6 m. For how many days will the water of this tank last? 6. A village having a population of 4000 requires 150 litres of water per head per day. It has a tank measuring 20 m × 15 m × 6 m. For how many days will the water of this tank last? October 17, 2020 Category: Chapter 13 - Surface Areas and Volumes , Maths , NCERT Class 9 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related