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#3926 2012-06-12 18:43:49

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,421

Re: 10 second questions

Hi bobbym,

The solutions #4124 and #4125 are correct. Marvelous!

#4126. The effective speed of travel of a boat downstream is 20 kilometers per hour whereas it is 10 kilometers per hour upstream. What is the speed of the current?

#4127. A person can swim downstream at the speed of 6 kilometers per hour and upstream at the speed of 2 kilometers per hour. What is the speed of swimming in still water?


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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#3927 2012-06-12 18:48:27

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: 10 second questions

Hi;


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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#3928 2012-06-13 17:50:13

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,421

Re: 10 second questions

Hi bobbym,

The solutions #4126 and #4127 are correct. Good work!

#4128. Martin bought a computer at 3/5 of the Selling Price and sold it at 10% more than its Selling Price. Find his profit or loss percent.

#4129. Betty sold 4/5 of her articles at a gain of 30% and the rest at par. Find her profit or loss percent.


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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#3929 2012-06-13 22:42:32

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: 10 second questions

Hi;


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

Offline

#3930 2012-06-14 16:05:17

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,421

Re: 10 second questions

Hi bobbym,

The solutions #4128 and #4129 are correct. Magnificent!

#4130. When the price of wheat is reduced by 15%, a man can purchase 5 kilograms more for $255. What is the original price?

#4131. Samuel gains 40% by selling 20 chocolates for $1. How many did he buy for $1?


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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#3931 2012-06-14 20:33:05

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: 10 second questions

Hi;


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

Offline

#3932 2012-06-15 21:29:45

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,421

Re: 10 second questions

Hi bobbym,

The solution #4131 is perfect. Excellent!

#4132. Peter purchased items at 10 for a dollar. To gain 25%, how many should he sell for a dollar?

#4133. Alvin purchased a certain number of pens at 3 for $10, and an equal number at 2 for $6. At what price per dozen should he sell to make a profit of 30%?


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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#3933 2012-06-15 21:58:18

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: 10 second questions

Hi;



In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

Offline

#3934 2012-06-16 13:36:20

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,421

Re: 10 second questions

Hi bobbym,

The solutions #4132 and #4133 are correct. Well done!

#4134. The Cost Price of 12 pens is equal to the Selling Price of 16 pens. Find the gain percent.

#4135. The Cost Price of 110 mangoes is equal to the Selling Price of 120 mangoes. Find the gain percent.


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.

Offline

#3935 2012-06-16 22:06:59

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: 10 second questions

Hi;


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

Offline

#3936 2012-06-16 23:09:01

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,421

Re: 10 second questions

Hi bobbym,

The solution #4134 is correct. Well done!

The

#4136. By selling an article, Gomes earned a profit equal to 1/5 of the cost price. Had he sold the same at $450, what would have been the cost price?


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.

Offline

#3937 2012-06-16 23:13:56

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: 10 second questions

Hi;


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

Offline

#3938 2012-06-18 00:03:27

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,421

Re: 10 second questions

Hi bobbym,

The solution #4136 is correct. Well done!

#4137. Allan purchases 20 kilograms of wheat at $800 and sells it at a loss a loss 5 kilograms of the market price of the wheat. Find the Selling Price of 1 kilogram of wheat.

#4138. Richie bought 10 kilograms of rice of $750 and sold it at a loss of money for 15 kilograms. What is the Selling Price of the rice per kilogram?


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.

Offline

#3939 2012-06-18 00:33:47

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: 10 second questions

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.
Always satisfy the Prime Directive of getting the right answer above all else.

Offline

#3940 2012-06-18 09:49:45

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,421

Re: 10 second questions

Hi bobbym,

#4139. Kevin sold 2 carts for $8,000 by gaining 20% on one and losing 20% on the other. Find the total gain or loss percent.

#4140. Vincent lost 20% by selling a television set at $8,000. By what percent would he gain or lost by selling it at $8,500?


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.

Offline

#3941 2012-06-18 14:53:54

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: 10 second questions

Hi;


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

Offline

#3942 2012-06-19 00:07:59

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,421

Re: 10 second questions

Hi bobbym,

The solution #4140 is correct. Excellent!

#4141. 10 ballpoint pens are bought for $12 and 8 are sold for $15 and the remaining at par. Find the profit percent.


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.

Offline

#3943 2012-06-19 00:13:13

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: 10 second questions

Hi ganesh;

Thanks for the solution.


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

Offline

#3944 2012-06-19 00:46:00

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,421

Re: 10 second questions

Hi bobbym,

#4142. Ahmed has a gain of 25% when he sells a table at a certain price. If he had sold it at double the price, what would be the gain percent?


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.

Offline

#3945 2012-06-19 00:56:08

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: 10 second questions

Hi;


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

Offline

#3946 2012-06-19 23:53:47

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,421

Re: 10 second questions

Hi bobbym,

#4143. Ryan purchased 10 pens for $48 and sold 6 pens at 10% gain and the remaining at 20% profit. Find his net gain.

#4144. If the Selling Price of a book is

times the Cost Price, find the profit percent.


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.

Offline

#3947 2012-06-20 04:02:57

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: 10 second questions

Hi;


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

Offline

#3948 2012-06-20 13:00:58

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,421

Re: 10 second questions

Hi bobbym,

The solutions #4143 and #4144 are correct. Remarkable!

#4145. Rahim made a profit of 20% on the sale of Gold. He adds 10% Copper to Gold. How much his profit would increase?

#4146. A reduction of 16% on the market price of a book makes Ram to buy a book at $80 less. What is his Cost Price?


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.

Offline

#3949 2012-06-20 17:24:04

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: 10 second questions

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.
Always satisfy the Prime Directive of getting the right answer above all else.

Offline

#3950 2012-06-21 12:42:05

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,421

Re: 10 second questions

Hi bobbym,

#4147. Sam bought a wristwatch at 4/5 of the original price and sold it at 25% more than its original price. Find his gain percent.

#4148. By selling 33 meters of cloth, Richie has a profit from 11 meters of cloth. Find the gain percent.


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.

Offline

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