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rajbir yadav

· started a discussion

· 1 Months ago

solution.... (Question: 113595.0 )

please provide the solution.....why you r not behaving like toprankers

Question:

A bucket contains a mixture of two liquids A and B the proportion 7 : 5. If 12 litres of the mixture is replaced by 12 litres of liquid B, then the ratio of the two liquids becomes 7 : 9. How much of the liquid A was there is the bucket initially?

Options:
A) 19 litres
B) 22 litres
C) 28  litres
D) 20 litres
Solution:
Ans: (c) \(\cfrac{7x - 7 }{5x - 5 + 12} \ \ = \cfrac{7}{9}\)

63x – 63 = 35x + 49

28x = 112

X = 4

7x = 7 × 4 = 28 lit.

Knowledge Expert

· commented

· 1 Months ago

Dear Student,
WE have updated the question and we will add the solution as soon as possible.
You can check after some time.

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