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Deepesh seth

· started a discussion

· 1 Months ago

3 se multiply kyu hua h

Question:

If a : (b + c) = 1 : 3 and c : (a + b) = 5 : 7, then b : (a + c) is equal to –

Options:
A)

1 : 2

B)

2 : 3

C)

1 : 3

D)

2 : 1

Solution:

Ans: (a)

  

Maddi Ramesh

· commented

· 1 Months ago

already we have c:(a+b)=5:7 (which means 5+7=12) to make the same we have to multiply 1:3 with 3 (which gives 3:9(3+9=12).

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