25 kg of alloy X is mixed with 125 kg of alloy Y If the amount of lead and tin in the alloy X is in ...........

Quantitative Aptitude (CDS) Mixture and Alligation

25 kg of alloy X is mixed with 125 kg of alloy Y. If the amount of lead and tin in the alloy X is in the ratio 1 : 2 and the amount of lead and tin in the alloy Y is in the ratio 2 : 3, then what is the ratio of lead to tin in the mixture?

1 : 2

2 : 3

3 : 5

7 : 11

छोटे Courses बड़े Results

Master Mixture and Alligation

Prepare through Micro-courses

Try Now

Explanation:

As Lead : Tin
X:- 1 : 2
Y:- 2 : 3
Lead in 25 kg =25/3
Tin in 25 kg =25×2/3
Now,
Lead in 125 kg =125×2/(2+3)= 50
Tin in 125 kg = 125 − 50 = 75
Lead in mixture = 50 +25/3=175/3
Tin in mixture = 75 +50/3=275/3
Ratio of Lead : Tin
=175/3:275/3
= 7: 11