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#2676 2014-06-13 02:57:25

ShivamS
Member
Registered: 2011-02-07
Posts: 3,648

Re: Oral puzzles

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#2677 2014-06-13 05:35:49

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 104,700

Re: Oral puzzles

Hi;


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.

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#2678 2014-06-13 15:26:38

ganesh
Moderator
Registered: 2005-06-28
Posts: 21,045

Re: Oral puzzles

Hi ShivamS and bobbym,

The solution #1827 is correct. Excellent, ShivamS and bobbym!

#1828. An article is sold at a certain price. By selling it at

of that price, one loses 10%. Find the gain percent at original price.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

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

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#2679 2014-06-14 00:19:41

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 104,700

Re: Oral puzzles

Hi ganesh;


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.

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#2680 2014-06-14 01:31:23

ganesh
Moderator
Registered: 2005-06-28
Posts: 21,045

Re: Oral puzzles

Hi bobbym,

#1829. A tradesman sold an article at a loss of 20%. If the selling price had been increased by $100, there would have been a gain of 5%. What was the cost price of the article?


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

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

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#2681 2014-06-14 02:18:47

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 104,700

Re: Oral puzzles

Hi;


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.

Offline

#2682 2014-06-14 19:42:00

ganesh
Moderator
Registered: 2005-06-28
Posts: 21,045

Re: Oral puzzles

Hi bobbym,

The solution #1829 is correct. Neat job!

#1830. A man bought a horse and a carriage for $3000. He sold the horse at a gain of 20% and the carriage at a loss of 10%, thereby gaining 2% on the whole. Find the cost of the horse.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

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

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#2683 2014-06-14 23:04:18

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 104,700

Re: Oral puzzles

Hi;


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.

Offline

#2684 2014-06-15 03:27:00

ganesh
Moderator
Registered: 2005-06-28
Posts: 21,045

Re: Oral puzzles

Hi bobbym,

The solution #1830 is perfect. Good work!

#1831. A retailer buys 40 pens at the marked price of 36 pens from a wholesaler. If he sells three pens giving a discount of 1%, what is the profit percent?


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

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

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#2685 2014-06-15 03:48:47

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 104,700

Re: Oral puzzles

Hi;


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.

Offline

#2686 2014-06-16 00:57:15

ganesh
Moderator
Registered: 2005-06-28
Posts: 21,045

Re: Oral puzzles

Hi bobbym,

The solution #1831 is correct. Neat job!

#1832. At what percentage above the cost price must an article be marked so as to gain 33% after allowing a customer a discount of 5%?


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

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

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#2687 2014-06-17 00:45:52

ganesh
Moderator
Registered: 2005-06-28
Posts: 21,045

Re: Oral puzzles

Hi bobbym,

#1833. Sam purchased 20 dozens of toys at the rate of $375 per dozen. He sold each one of them at the rate of $33. What was his percentage profit?


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

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

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#2688 2014-06-17 00:59:27

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 104,700

Re: Oral puzzles

Hi ganesh;


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.

Offline

#2689 2014-06-17 03:18:24

ganesh
Moderator
Registered: 2005-06-28
Posts: 21,045

Re: Oral puzzles

Hi bobbym,

The solution #1833 is perfect. Neat job!

You missed problem #1832. I have reproduced it again now.

#1832. At what percentage above the cost price must an article be marked so as to gain 33% after allowing a customer a discount of 5%?


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

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

Offline

#2690 2014-06-17 06:52:05

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 104,700

Re: Oral puzzles

Hi;


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.

Offline

#2691 2014-06-18 01:47:01

ganesh
Moderator
Registered: 2005-06-28
Posts: 21,045

Re: Oral puzzles

Hi bobbym,

The solutions #1832 and #1833 are correct. Excellent!

(PS : The solution #1832 I get is 40%, not 40.35%)

#1834. 'A' sells an article which costs him $400 to 'B' at a profit of 20%. 'B' then sells it to 'C', making a profit of 10%  on the price he paid to 'A'. How much does 'C' pay 'B'?


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

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

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#2692 2014-06-18 02:18:34

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 104,700

Re: Oral puzzles

Hi;


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.

Offline

#2693 2014-06-19 00:58:22

ganesh
Moderator
Registered: 2005-06-28
Posts: 21,045

Re: Oral puzzles

Hi bobbym,

The solution #1834 is perfect. Good work!

#1835. When a commodity is sold for $34.80, there is a loss of 2%. What is the cost price of the commodity?


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

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

Offline

#2694 2014-06-19 01:50:08

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 104,700

Re: Oral puzzles

Hi;


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.

Offline

#2695 2014-06-19 14:32:05

ganesh
Moderator
Registered: 2005-06-28
Posts: 21,045

Re: Oral puzzles

Hi bobbym,

The solution #1835 is correct. Neat job!

#1836. Formulate the problem as a pair of equations and hence find their solution:

One number is greater than thrice the other number by 2. If 4 times the smaller number exceeds the greater number by 5, find the numbers.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

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

Offline

#2696 2014-06-19 18:55:57

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 104,700

Re: Oral puzzles

Hi;


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.

Offline

#2697 2014-06-20 00:35:27

ganesh
Moderator
Registered: 2005-06-28
Posts: 21,045

Re: Oral puzzles

Hi bobbym,

The solution #1836 is correct. Marvelous!

#1837. The ratio of income of two persons is 9:7 and the ratio of their expenditure is 4:3. If each of them manages to save $2000 per month, find their monthly income.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

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

Offline

#2698 2014-06-20 05:30:01

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 104,700

Re: Oral puzzles

Hi;


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.

Offline

#2699 2014-06-20 15:07:36

ganesh
Moderator
Registered: 2005-06-28
Posts: 21,045

Re: Oral puzzles

Hi bobbym,

The solution #1837 is correct. Neat job!

#1838. Three chairs and two tables cost $700 and five chairs and three tables cost $1100. What is the cost of 2 chairs and 3 tables?


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

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

Offline

#2700 2014-06-20 19:57:41

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 104,700

Re: Oral puzzles

Hi;


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.

Offline

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