No products in the cart.

The floor of a rectangular field …

CBSE, JEE, NEET, CUET

Question Bank, Mock Tests, Exam Papers

NCERT Solutions, Sample Papers, Notes, Videos

The floor of a rectangular field has a perimeter of 250m and it's length and breadth are in the ratio 13:12. If the cost of painting the four walls and ceiling at the rate of ₹5m² is ₹27000, find the height of the hall.

Posted by K Kaviya 5 years, 4 months ago

CBSE > Class 09 > Mathematics

1 answers

Silviya Shrivastav 5 years, 4 months ago

Area=27000/5 =5400m² Perimeter=2(l+b) 250 =2(12x+13x) 250= 2(25x) 250 =50x 250/50=x = 5 Now, 12x=60 13x=65 CSA=2(l+b)*h(area of four side) 5400m² =2(60+65)*h 5400. =250*h 5400/250=h=21.6

0Thank You

ANSWER

Test

Related Questions

3√2×4√2×12√32

Posted by Manas Khurana 6 months, 3 weeks ago

CBSE > Class 09 > Mathematics

0 answers

2x²+[1×(8x²)^-1]+1

Posted by Less Goo 1 year, 4 months ago

CBSE > Class 09 > Mathematics

0 answers

This content has been hidden. One or more users have flagged this content as inappropriate. Once content is flagged, it is hidden from users and is reviewed by myCBSEguide team against our Community Guidelines. If content is found in violation, the user posting this content will be banned for 30 days from using Homework help section. Suspended users will receive error while adding question or answer. Question comments have also been disabled. Read community guidelines at https://mycbseguide.com/community-guidelines.html

Few rules to keep homework help section safe, clean and informative.

Don't post personal information, mobile numbers and other details.
Don't use this platform for chatting, social networking and making friends. This platform is meant only for asking subject specific and study related questions.
Be nice and polite and avoid rude and abusive language. Avoid inappropriate language and attention, vulgar terms and anything sexually suggestive. Avoid harassment and bullying.
Ask specific question which are clear and concise.

Remember the goal of this website is to share knowledge and learn from each other. Ask questions and help others by answering questions.

Posted by Sheikh Alfaz 1 month, 3 weeks ago

CBSE > Class 09 > Mathematics

0 answers

The polynomial of the type ax²+bx+c,a=0 is called

Posted by Duruvan Sivan 6 months, 1 week ago

CBSE > Class 09 > Mathematics

0 answers

Don't post personal information, mobile numbers and other details.
Don't use this platform for chatting, social networking and making friends. This platform is meant only for asking subject specific and study related questions.
Be nice and polite and avoid rude and abusive language. Avoid inappropriate language and attention, vulgar terms and anything sexually suggestive. Avoid harassment and bullying.
Ask specific question which are clear and concise.

Remember the goal of this website is to share knowledge and learn from each other. Ask questions and help others by answering questions.

Posted by Yash Pandey 6 months, 1 week ago

CBSE > Class 09 > Mathematics