Two alloys A &B are composed of two basis element in the two alloys are 5:3 & 1:2 respectively. A new alloys X is formed by mixing the two alloys A&B in the ratio 4:3. What is the ratio of the composition of two basic element in alloys X?
Solution
Correct Answer: Option A
A=4x
B=3x
x element in A & B
5/5+3*4x & 3/5+3*4x
=20x/8 & 12x/8
x element in A & B
1/1+2*3x & 2/1+2*3x
=x & 2x
now ratio is:
A:B=20x/8+x:12x/8+2x
=28x/8 : 28x/8
=1:1
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