Tech Mahindra
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Numerical Ability
Ratio and Proportion
Q.14 Two containers of milk contain mixtures of water and milk in ratio 5:4 and 7:9. In what ratio they should be mixed so that mixture is of 6:6 ratio?
option
6:5
7:5
9:8
8:9
Read Solution (Total 6)
-
- 6/6-5/4==>-1/4
7/9-6/6==>-2/9
now, -1/4=-2/9==>1/4=2/9==>9:8 - 9 years agoHelpfull: Yes(9) No(0)
- alligation method:
5/4 7/9
6/6
9/36:8/36
9:8 - 9 years agoHelpfull: Yes(5) No(1)
- 9:8 ans
- 9 years agoHelpfull: Yes(1) No(0)
- (9/16 -6/12) / (6/12 - 4/9) = 9/8 Ans
Using alligation formula - 8 years agoHelpfull: Yes(1) No(0)
- To maintain 6:6 ->1:1 ratio we have 5:4-> total 9 for one container for another 7:9-> total 16
Now to maintain 1:1 ratio we can have full 9 from first container and half part that is 8 from 2nd container to make it equal in ratios.
Answer is 9:8 - 9 years agoHelpfull: Yes(0) No(2)
- 5:4 7:9
6:6
(5+7)12:13(9+4) we can subtract with 6 :6===>7:5 - 9 years agoHelpfull: Yes(0) No(0)
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