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# Two alloys A and B are composed of two basic elements. The r

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Two alloys A and B are composed of two basic elements. The r [#permalink]  14 Apr 2019, 10:25
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Question Stats:

25% (03:21) correct 75% (02:45) wrong based on 4 sessions
Two alloys A and B are composed of two basic elements. The ratios of the compositions of the two basic elements in the two alloys are 5 : 3 and 1 : 2, respectively. A new alloy X is formed by mixing the two alloys A and B in the ratio 4 : 3. What is the ratio of the composition of the two basic elements in alloy X ?

(A) 1 : 1

(B) 2 : 3

(C) 5 : 2

(D) 4 : 3

(E) 7 : 9
[Reveal] Spoiler: OA

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Joined: 08 Dec 2018
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Re: Two alloys A and B are composed of two basic elements. The r [#permalink]  07 May 2019, 01:34
1
KUDOS
For alloy X, A{(5/8)*4+(1/3)*3}: B {(3/8)*4+(2/3)*3}
A:B=1:1.
A
Re: Two alloys A and B are composed of two basic elements. The r   [#permalink] 07 May 2019, 01:34
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