A, B and C enter into a
partnership by investing in the
ratio of 5 : 5 : 8. After one year A
additionally invests Rs. 4900 and B
withdraws Rs. 3700. Now, the ratio
of investment changes to 5 : 4 : 7.
What amount did A invest initially?
(in Rs.)

Question

Answer 1

Let initial investment of A,B,C be 5x,5x,8x respectively
According to the question after 1year
A's investment=5x+4900
B's investment=5x-3700
Now use the ratio concept
5x+4900/5x-3700=5/4
From this we get x =7620
So A's initial investment=5x
=5x7620=38100Rs.

Answer 2

Let initial investment of A,B,C be 5x,5x,8x respectively
According to the question after 1year
A's investment=5x+4900
B's investment=5x-3700
Now use the ratio concept
5x+4900/5x-3700=5/4
From this we get x =7620
So A's initial investment=5x
=5x7620=38100Rs.

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A, B and C enter into a partnership by investing in the ratio of 5 : 5 : 8. After one year A additionally invests Rs. 4900 and B withdraws Rs. 3700. Now, the ratio of investment changes to 5 : 4 : 7. What amount did A invest initially? (in Rs.)

A, B and C enter into a
partnership by investing in the
ratio of 5 : 5 : 8. After one year A
additionally invests Rs. 4900 and B
withdraws Rs. 3700. Now, the ratio
of investment changes to 5 : 4 : 7.
What amount did A invest initially?
(in Rs.)