No products in the cart.

A positive number is 5 times …

CBSE, JEE, NEET, CUET

Question Bank, Mock Tests, Exam Papers

NCERT Solutions, Sample Papers, Notes, Videos

A positive number is 5 times another number. If 21 is added to both the numbers, then one of the new number becomes twice the other new number. What are the numbers?

Posted by Gautam Rathi 4 years, 7 months ago

CBSE > Class 08 > Mathematics

1 answers

Sia ? 4 years, 7 months ago

let the smaller number = x
bigger number = 5x. (we need this.)
if 21 is added to both; 5x+21 = 2×(x+21)
5x + 21 = 2x + 42
5x - 2x = 42 - 21
3x =. 21
x = 21/3= 7
So the positive number is = 5×7 = 35
answer is 35

0Thank You

ANSWER

Test

Related Questions

Convert the following ratio to percentage 3:4

Posted by Madhav Sharma 10 months, 1 week ago

CBSE > Class 08 > Mathematics

2 answers

Find examples from your surroundings where lines insect set at right angle

Posted by Arya Jain 1 year, 4 months ago

CBSE > Class 08 > Mathematics

0 answers

2x+5= 10

Posted by Arnav Tripathi 1 year, 4 months ago

CBSE > Class 08 > Mathematics

1 answers

Pythagoras theoram ???

Posted by Ojus Dimen 1 year, 4 months ago

CBSE > Class 08 > Mathematics

1 answers

Find the measures of the angles made by the intersecting lines at the vertices of an equivalent triangle

Posted by Arya Jain 1 year, 4 months ago

CBSE > Class 08 > Mathematics

1 answers

A rational number is such that when you multiply it by 5/2 and add2/3 to the product you get -7/12 find the number

Posted by Mohamed Imran 1 year, 4 months ago

CBSE > Class 08 > Mathematics

1 answers

3+4{

Posted by Gupteswari Bag 1 year, 4 months ago

CBSE > Class 08 > Mathematics

4 answers

Class 8th ex .5.1

Posted by Jashan Preet 7 months, 4 weeks ago

CBSE > Class 08 > Mathematics

1 answers

A streamer goes down stream from one point to another in 7 hours it covers the same distance upstream in 8 hours if the speed of the streamer is 2km/hr find the speed of the streamer in still water and the distance between the point

Posted by Yunus Malik 1 year, 4 months ago

CBSE > Class 08 > 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 Monika 8B 5 months, 3 weeks ago

CBSE > Class 08 > Mathematics