Find the 20th term of arithmetic progressions, Mathematics

Find the 20th term from the end of the AP 3, 8, 13........253.

Ans:    3, 8, 13 .............. 253

Last term = 253 a20 from end

= l - (n-1)d

253 - ( 20-1) 5

253 - 95

= 158

 

Posted Date: 4/8/2013 5:15:45 AM | Location : United States







Related Discussions:- Find the 20th term of arithmetic progressions, Assignment Help, Ask Question on Find the 20th term of arithmetic progressions, Get Answer, Expert's Help, Find the 20th term of arithmetic progressions Discussions

Write discussion on Find the 20th term of arithmetic progressions
Your posts are moderated
Related Questions
The Mean Value Theorem for Integrals If f(x) is a continuous function on [a,b] then here is a number c in [a,b] thus, a ∫ b f(x) dx = f(c)(b -a) Proof Let's begin


Calculate the Kendaul''s correlation cofficient for a given data.

If you find nothing out of this rapid review of linear algebra you should get this section.  Without this section you will not be capable to do any of the differential equations wo

If y 1 (t) and y 2 (t) are two solutions to a linear, homogeneous differential equation thus it is y (t ) = c 1 y 1 (t ) + c 2 y 2 (t )   ........................(3) Remem


The C.P. of 20 articles is same as theS.P. of x articles.Article profit is 25%.Find x


a shopkeeper buys two cameras at the same price . he sells one camera at a profit of 18% and the other at a price of 10% less than the selling price of the first camera. find his p