# Ratio and proportion arun sharma problem

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Please help me out with this problem:A and B are two alloys of argentum and brass prepared by mixing metals in proportion 7:2 and 7:11 respectively.If equal quantities of the two alloys are melted to form a third alloy C,the proportion of argentum...
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Please give a detailed a detailed explanations in this question Direction for question number 48 to 49:

There are three containers x, y, z. In container x, the ratio of

Milk and Water is 2: 1, in container y the ratio of water and

milk is 2: a. If container x and y are mixed in the ratio of 2:

3, to get 100 litres of a mixture having Milk and Water in the

ratio 3: 1.

48. Then a= ?

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Solve question 21

1 comment
@goku007  ·  8,395 karma

20) 45% ??

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8 question?

1 comment
@rekalaabhi  ·  0 karma

8 question?

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how to solve this kind of questions
1. if A:B= 2:3, B:C=4:5 and C:D = 6:7 then A:B:C:D is ?

2. if A:B:C= 2:3:4,then A/B:B/C:C/A is equal to ?
anyone please explain me this questions in details...

i am nothing......
@bhushanpatel04  ·  8 karma
@bhushanpatel04  ·  8 karma

Just youtube it:learner's planet...and watch out all problems..of ratio....u will all shotcuts for it

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﻿The ratio of income of A and B one year ago is 3:2.the ratio of increased income to original income of A is 2:3 and that of B is 3:4.the total present income of A&&b together is 21500.So find the income of B.

60000
7000
8000
9000

Please help me with this... Two liquids A and B costing Rs.100/litre and Rs.200/litre were mixed in the ratios 9:1 and 7:1 to form two mixtures M1 and M2 respy.Then these two mixtures were mixed to form a new mixture and the new mixture is sold at price of Rs.250/litre gaining a profit of 100/3 % on this.In what ratio the two mixtures M1 & M2 were mixed?

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20boys and 25 girls form a group of social workers. During their membership drive, the same number of boys and girls joined the group(eg: if 7 boys joined, 7girls joined). how many members does the group have now ,if the ratio of boys to girls is 7:8?
A.75
B.65
C.70
D.60
E.None of these

@tarang777  ·  0 karma

Thank You Guys....

@ashish45d  ·  0 karma

75

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a:b=c:d,e:f=g:h then (a*e+b*f):

(a*e-b*f)=?