Mathematics
Which term of the Arithmetic Progression (A.P.) 15, 30, 45, 60, … is 300? Hence find the sum of all the terms of the Arithmetic Progression (A.P.).
Related Questions
If the 6th term of an A.P is equal to four times its first term, and the sum of first six terms is 75, find the first term and the common difference.
The 5th term and the 9th term of an Arithmetic Progression are 4 and −12 respectively. Find:
(i) the first term
(ii) common difference
(iii) sum of first 16 terms of the AP.
164, 160, 156, 152, ….. are in Arithmetic Progression (A.P.). Find :
(a) which term is equal to 0.
(b) the sum of its first 20 terms.
An arithmetic progression (A.P.) has 3 as its first term. The sum of the first 8 terms is twice the sum of the first 5 terms. Find the common difference of the A.P.