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amit singh

· started a discussion

· 1 Months ago

apne man se formula na bana lo explain bhi kiya karo

Knowledge Expert

· commented

· 1 Months ago

Al ligation formula has been applied, you must be aware of this.

ratio of pens sold at profit & loss = 19 : 1

By Al ligation formula,

∴ number of pens sold at 12% profit =19/(19 + 1)×60=57
amit singh

· started a discussion

· 1 Months ago

apne man se formula na bana lo explain bhi kiya karo

Question:

A man has 60 pens. He sells some of these at a profit of 12% and the rest at 8% loss. On the whole, he gets a profit of 11%. How many pens were sold at 12% profit.

Options:
A)

47

B)

52

C)

55

D)

57

E)

None of these

Solution:

Ans: (d)


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