Check sibling questions


Transcript

Ex 13.5 , 4 Find the cost of digging a cuboidal pit 8 m long, 6 m broad and 3 m deep at the rate of Rs 30 per m3. Here, ๐‘™ = 8 m, b = 6 m and h = 3 m Volume of the cuboidal pit = ๐‘™๐‘โ„Ž = (8ร—6ร—3) ๐‘š3 = 144 m3 Cost of digging 1 m3 = Rs 30 Cost of digging 144 m3 = Rs (144 ร—30) = Rs 4320 โˆด Cost of digging the pit is Rs 4320

  1. Chapter 11 Class 9 Surface Areas and Volumes
  2. Serial order wise

About the Author

Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science and Computer Science at Teachoo