If the diameter of the base of a cylindrical pillar is 4 m and its height is 21 m, then the cost of construction of the pillar at Rs. 1.50 per cubic metre is :
  • a)
    Rs. 396
  • b)
    Rs. 400
  • c)
    Rs. 410
  • d)
    Rs. 420
Correct answer is option 'A'. Can you explain this answer?

Class 9 Question

Priyanshi Yadav
Aug 07, 2021
Volume of the cylinder=πr*2H
=22/7×2*2×21
=22×4×3
=88×3
=264m*3
cost of constructing 1 cubic metre = RS.1.50
so, the cost of constructing 264 cubic metre=264×1.50=396.00= Rs.396(Ans.)

This discussion on If the diameter of the base of a cylindrical pillar is 4 m and its height is 21 m, then the cost of construction of the pillar at Rs. 1.50 per cubic metre is :a)Rs. 396b)Rs. 400c)Rs. 410d)Rs. 420Correct answer is option 'A'. Can you explain this answer? is done on EduRev Study Group by Class 9 Students. The Questions and Answers of If the diameter of the base of a cylindrical pillar is 4 m and its height is 21 m, then the cost of construction of the pillar at Rs. 1.50 per cubic metre is :a)Rs. 396b)Rs. 400c)Rs. 410d)Rs. 420Correct answer is option 'A'. Can you explain this answer? are solved by group of students and teacher of Class 9, which is also the largest student community of Class 9. If the answer is not available please wait for a while and a community member will probably answer this soon. You can study other questions, MCQs, videos and tests for Class 9 on EduRev and even discuss your questions like If the diameter of the base of a cylindrical pillar is 4 m and its height is 21 m, then the cost of construction of the pillar at Rs. 1.50 per cubic metre is :a)Rs. 396b)Rs. 400c)Rs. 410d)Rs. 420Correct answer is option 'A'. Can you explain this answer? over here on EduRev! Apart from being the largest Class 9 community, EduRev has the largest solved Question bank for Class 9.
This discussion on If the diameter of the base of a cylindrical pillar is 4 m and its height is 21 m, then the cost of construction of the pillar at Rs. 1.50 per cubic metre is :a)Rs. 396b)Rs. 400c)Rs. 410d)Rs. 420Correct answer is option 'A'. Can you explain this answer? is done on EduRev Study Group by Class 9 Students. The Questions and Answers of If the diameter of the base of a cylindrical pillar is 4 m and its height is 21 m, then the cost of construction of the pillar at Rs. 1.50 per cubic metre is :a)Rs. 396b)Rs. 400c)Rs. 410d)Rs. 420Correct answer is option 'A'. Can you explain this answer? are solved by group of students and teacher of Class 9, which is also the largest student community of Class 9. If the answer is not available please wait for a while and a community member will probably answer this soon. You can study other questions, MCQs, videos and tests for Class 9 on EduRev and even discuss your questions like If the diameter of the base of a cylindrical pillar is 4 m and its height is 21 m, then the cost of construction of the pillar at Rs. 1.50 per cubic metre is :a)Rs. 396b)Rs. 400c)Rs. 410d)Rs. 420Correct answer is option 'A'. Can you explain this answer? over here on EduRev! Apart from being the largest Class 9 community, EduRev has the largest solved Question bank for Class 9.