18.In an A., the sum of first ten terms is 150 and the sum of its next ten terms is 550. Find the A.P.
![Making Ten Worksheet and Game in 2023 | Kindergarten addition worksheets, Kindergarten worksheets, Making ten Making Ten Worksheet and Game in 2023 | Kindergarten addition worksheets, Kindergarten worksheets, Making ten](https://i.pinimg.com/474x/dd/84/cc/dd84cc0742714d10a9d91cad17622da1.jpg)
Making Ten Worksheet and Game in 2023 | Kindergarten addition worksheets, Kindergarten worksheets, Making ten
![Question Video: Estimating the Sum of an Addition Sentence by Rounding Each Number to the Nearest Ten | Nagwa Question Video: Estimating the Sum of an Addition Sentence by Rounding Each Number to the Nearest Ten | Nagwa](https://media.nagwa.com/976141754680/en/thumbnail_l.jpeg)
Question Video: Estimating the Sum of an Addition Sentence by Rounding Each Number to the Nearest Ten | Nagwa
If you add the digits in a number, how many numbers between 0 and 1000 have a digit-sum of ten? For example, one of the numbers is 334 because 3+3+4=10. - Quora
![Estimate each sum to the nearest ten / nearest ten kaise add kare / maths by Mansoor / How to add - YouTube Estimate each sum to the nearest ten / nearest ten kaise add kare / maths by Mansoor / How to add - YouTube](https://i.ytimg.com/vi/ewGrqdkzdHY/sddefault.jpg)
Estimate each sum to the nearest ten / nearest ten kaise add kare / maths by Mansoor / How to add - YouTube
![If the AP of the sum of first ten terms is -150 and the sum of next ten terms is -550 Find the AP - YouTube If the AP of the sum of first ten terms is -150 and the sum of next ten terms is -550 Find the AP - YouTube](https://i.ytimg.com/vi/bKLLGmawkJI/maxresdefault.jpg)