https://foxoyo.com/mcq/99038/a-channel-of-bed-slope-00009-carries-a-discharge-of-30-m3s-when-the-depth-of-flow-is-10-m-what-is-the-discharge-carried-by-an-exactly-similar-channel-at-the-same-depth-of-flow-if-the-slope-is-decreased-to-00001