Sohan bought 3 shares at Rs 10 each and some more shares at Rs5 each. He sold all the shares at Rs 6 each. His total profit was Rs 8. How many shares did he buy at Rs 5 each?
A
10
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B
18
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C
20
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D
30
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Solution
The correct option is C20 LetthelengthofthesharesbroughtatRs5bexMoneyspentinbuying=3×10+x×5=30+5x,Moneyearnedinselling=6∗(3+x)=18+6x,profit=8=18+6x−30−5x,x=20