Quantitative Skills Test...

@tejashree-neQ3Bn • Oct 25, 2024

Oct 25, 2024

1.0K

'A' begins business with a capital of Rs. 800. After 4 months he takes in 'B' with a certain capital. 8 months after this, it is found that the total profits are twice as great as they would have been, if 'A' had continued alone. Assuming the profit rate constant. what did 'B' contribute?
1) 1500
2) 800
3) 1200
4) 1000

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CIVILPRINCESS

@civilprincess-308hDv • Mar 21, 2011

is the answer 1200?
0
Tejashree Katdare

@tejashree-neQ3Bn • Mar 23, 2011

How you solved it? Please explain.
0
Chitti

@chitti-HyCMj0 • Mar 23, 2011

Let me explain it.
Total amount invested by A in 12 months = Rs. (12*800) = 9600
Let the amount invested by B be Rs. X
so Total invested by B in 8 months = Rs. 8X
A and B together invested Rs. (9600 + 8X)
Ratio of profits = 2/1 = profits when both have invested/profits when only A had invested.
2/1 = 9600+8X/9600
19200 = 9600+8X
9600 = 8X
X = 1200
0