99. A river 2 m deep and 45 m wide is flowing at the rate of 3 km per hour. Find the amount of water in cubic metres that runs into the sea per minute. 99. A river 2 m deep and 45 m wide is flowing at the rate of 3 km per hour. Find the amount of water in cubic metres that runs into the sea per minute. August 10, 2021 Category: Chapter 11 - Mensuration , Maths , NCERT Class 8 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related