Raj earns 25% on an investment but losses 10% on another investment. Of the ratio of the two investments is 3:5, What is the gain or loss on the two investments taken together?
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Hey Dear,
◆ Answer -
3.125 % gain
● Explaination -
Let x be some common multiplier. Then 1st investment is 3x and 2nd investment is 5x.
Raj's earning on 1st investment,
Earning = 3x × 25/100
Earning = 0.75x
Raj's loss on 2nd investment,
Loss = 5x × 10/100
Loss = 0.5x
Total gain/loss is calculated by -
Total gain/loss = (0.75x - 0.5x) / (3x + 5x)
Total gain/loss = 0.25x / 8x
Total gain/loss = 0.25x / 8x
Total gain/loss = 0.03125
Total gain/loss = 3.125 % gain
Therefore, Raj gained 3.125 % on total investment..
Thanks dear..
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