A man embarks his whole capital upon 4 successive ventures. On the first one he gains 100% and on each of the remaining three he loses at the rate of 20%.Find out the percentage gain on his original capital.
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Let he invest 100
And profit= 100x100%= 100, total 100+100=200
2nd invest= 200 and loss 20% of 200=40, tota=200-40=160. 3rd invest 160 and loss 20% of 160=32 and total = 160-32= 128.
4th invest 128 and loss20%of 128=25.6 total=128-25.6= 102.4.
In the total transection he invest 100 and got 102.4 and final profit = 102.4-100=2.4and profit percentage =(2.4x100)/100=2.4% answer
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