Math, asked by anveranver4641, 11 months ago

In an A P, if a=1, an= 20 and Sn=399,then n= ------

Answers

Answered by sanchayvis

7

Step-by-step explanation:

hope you understand

Happy learning

Attachments:

Answered by adeeladilu2

2

ur answer is attached above....

stay safe ND have a nice day.....

Attachments:

Previous Question

Next Question

Similar questions

Science, 5 months ago

गंधक की भौतिक अवस्था क्या है...

English, 5 months ago

How many pairs of letters are there in the word 'PERSUADE', each of which has as many letters between them in the word as they have between them in the English alphabet?

Biology, 5 months ago

The energy value of food is measured in units of heat called ________________. A. Metabolism B. Complex carbohydrates C. Calories D. Basal metabolic rate...

Math, 11 months ago

Pls help to solve class 8 maths.. Factorisation...

Hindi, 11 months ago

Bharat ko swachh banane ke liye Hamen kya kya Kadam uthane chahie in Hindi...

English, 1 year ago

Why did the police man stop the entry of the party of the Western tourist to the temple of Katmandu?

Math, 1 year ago

Area of rectangular...

Chemistry, 1 year ago

difference between soap and detergent...