3D), (a - d), (a +d), (a + 3d).
From question,
(a -3d) + (a - d) + (a + b) + (a + 3d) = 20
a = 5
Also, [(a - 3d) (a +3d)] / [(a - d) (a + d)] = 2/3
[a2 - 9d2] / [a2 - d2] = 2/3
[52 - 9d2] / [52 - d2] = 2/3
d = 1
a = 5, d = 1
So, the four parts are 2, 4, 6, 8

"> 3D), (a - d), (a +d), (a + 3d).
From question,
(a -3d) + (a - d) + (a + b) + (a + 3d) = 20
a = 5
Also, [(a - 3d) (a +3d)] / [(a - d) (a + d)] = 2/3
[a2 - 9d2] / [a2 - d2] = 2/3
[52 - 9d2] / [52 - d2] = 2/3
d = 1
a = 5, d = 1
So, the four parts are 2, 4, 6, 8

">
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If 20 divided into four parts which are in AP such that the product of the first and fourth is to the products of the second and third is in the radio 2 : 3 ?

Aptitude Sequences and Series in Aptitude 3 months ago

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Let the four parts be (a - 3D), (a - d), (a +d), (a + 3d).
From question,
(a -3d) + (a - d) + (a + b) + (a + 3d) = 20
a = 5
Also, [(a - 3d) (a +3d)] / [(a - d) (a + d)] = 2/3
[a2 - 9d2] / [a2 - d2] = 2/3
[52 - 9d2] / [52 - d2] = 2/3
d = 1
a = 5, d = 1
So, the four parts are 2, 4, 6, 8

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Posted on 10 Jun 2025, this text provides information on Aptitude related to Sequences and Series in Aptitude. Please note that while accuracy is prioritized, the data presented might not be entirely correct or up-to-date. This information is offered for general knowledge and informational purposes only, and should not be considered as a substitute for professional advice.

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