No products in the cart.

A person can paint a wall …

CBSE, JEE, NEET, CUET

Question Bank, Mock Tests, Exam Papers

NCERT Solutions, Sample Papers, Notes, Videos

Install Now

A person can paint a wall in 5 hours. In how many hours can 3 people paint the same wall?

Posted by Revathi Sivaraman 6 years, 2 months ago

CBSE > Class 08 > Mathematics

2 answers

Manaswi Saripella 6 years, 1 month ago

1hour20 mins

1Thank You

Bandopant Lokhande 6 years, 2 months ago

It is a example of inverse proportion Let us consider 3 persons can work in y hours 1 person - 5 hours 3 persons - y hours 1×5 = 3×y y = 5/3 5/3 of an hour = 5/3 ×60 = 120 minutes = 1 hr 20 min

1Thank You

ANSWER

Test

Related Questions

2x+5= 10

Posted by Arnav Tripathi 1 year, 8 months ago

CBSE > Class 08 > Mathematics

1 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 Monika 8B 9 months ago

CBSE > Class 08 > Mathematics