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#1 2006-03-01 20:44:56

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,955

Interest, Profit and Loss

IPL # 1

A machine is sold at a profit of 10%. Had it been sold for $40 less, a loss of 10% would have been incurred. What is the Cost Price of the machine?


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#2 2006-03-02 10:31:39

ashwil
Member
Registered: 2006-02-27
Posts: 121

Re: Interest, Profit and Loss

Depends on your method of calculating profit margin. Most sales organisations calculate on selling price, not on cost price. Hence, 

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#3 2006-03-02 16:52:08

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,955

Re: Interest, Profit and Loss

Correct, ashwil.
I had the obvious answer in my mind.


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#4 2006-03-02 17:57:14

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,955

Re: Interest, Profit and Loss

IPL # 2

How long will it take for a sum of money to grow from $1250 to $10,000, if it is invested at 12.5% p.a simple interest?


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#5 2006-03-02 21:02:38

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,955

Re: Interest, Profit and Loss

IPL # 3

If the compound intrerest on a certain sum for 2 years at 10% per annum compounded annually is $ 2,100, what will be the simple interest on it at the same rate for 2 years?


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#6 2006-03-10 17:45:11

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,955

Re: Interest, Profit and Loss

IPL # 4

A man buys 5 horses and 10 cows for $ 1,600. He sells horses at a profit of 15% and cows at a loss of 10%. If his total profit was $90, what was the cost price of a horse and a cow?


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#7 2008-10-12 00:32:14

All_Is_Number
Member
Registered: 2006-07-10
Posts: 258

Re: Interest, Profit and Loss

ganesh wrote:

IPL # 2

How long will it take for a sum of money to grow from $1250 to $10,000, if it is invested at 12.5% p.a simple interest?


You can shear a sheep many times but skin him only once.

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#8 2008-10-12 00:38:38

All_Is_Number
Member
Registered: 2006-07-10
Posts: 258

Re: Interest, Profit and Loss

ganesh wrote:

IPL # 3

If the compound intrerest on a certain sum for 2 years at 10% per annum compounded annually is $ 2,100, what will be the simple interest on it at the same rate for 2 years?


You can shear a sheep many times but skin him only once.

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#9 2008-10-12 00:52:45

All_Is_Number
Member
Registered: 2006-07-10
Posts: 258

Re: Interest, Profit and Loss

ganesh wrote:

IPL # 4

A man buys 5 horses and 10 cows for $ 1,600. He sells horses at a profit of 15% and cows at a loss of 10%. If his total profit was $90, what was the cost price of a horse and a cow?


You can shear a sheep many times but skin him only once.

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