## Important Concepts and Formulas - Sequence and Series

Comments(48)

Tarun
31 Mar 2015 1:32 PM

Thank you Sir for providing such a important information

pardeep
29 Mar 2015 6:39 PM

354 180 64 21 10.2 ?

Please complete this series

Dev
07 Apr 2015 5:53 AM

354/2 + 3 = 180

180/3 + 4 = 64

64/4 + 5 = 21

21/5 + 6 = 10.2

10.2/6 + 7 =

180/3 + 4 = 64

64/4 + 5 = 21

21/5 + 6 = 10.2

10.2/6 + 7 =

**8.7**
Ankita
25 Mar 2015 3:19 PM

What is the formula to find relation between ap hp

Anupam SG
21 Feb 2015 8:28 PM

many many thanks ,by seeing these formulaes now i able to solve each and every question of ap,gp and hp.

Bani Kumar Datta
08 Feb 2015 5:03 PM

Many thanks .I able to solve the problems of A.P & G.P now.

vishal
18 Dec 2014 2:25 AM

Divide 20 into 4 parts which are in A.P. and such that the product of first and fourth is to product of the second and third in ratio 2:3

patlolla
02 Apr 2015 2:41 PM

2+4+6+8=20

1st x 4th=2nd x 3rd

16=24

2:3

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