Math Is Fun Forum

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.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 48,420

Re: 10 second questions

Hi bobbym,

The solution #5082 is perfect. Neat job!

#5083. At what profit percent must an article be sold so that by selling at half that price, there may be a loss of 30%?

#5084. The cost price of an article is 40% of the selling price. The percent that the selling price is of cost price is _______.

---

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.

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.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 48,420

Re: 10 second questions

Hi bobbym,

The solution #5083 is correct. Neat work!

#5085. By selling an article, Michael earned a profit equal to one-fourth of the price he bought it. If he sold it for $375, what was the cost price?

#5086. 10% loss on selling price is what percent loss on 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.

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.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 48,420

Re: 10 second questions

Hi bobbym,

The solution #5085 is perfect. Neat job!

#5087. If loss is 1/3 of selling price, find the loss percentage.

#5088. If the cost price of 12 pens is equal to the selling price of 8 pens, 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.

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.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 48,420

Re: 10 second questions

Hi bobbym,

The solutions #5087 and #5088 are correct. Neat job!

#5089. The profit earned by selling an article for $900 is double the loss incurred then the same article is sold for $450. At what price should the article be sold to make a profit of 25%?

#5090. The profit earned by selling an article for $832 is equal to the loss incurred when the same article is sold for $448. What should be the sale price for making 50% profit?

---

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.

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.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 48,420

Re: 10 second questions

Hi bobbym,

The solutions #5089 and #5090 are correct. Excellent!

#5091. The cost price of 19 articles is equal to the selling price of 16 articles. Find the gain percent.

#5092. If the selling price of 50 articles is equal to the cost price of 40 articles, then find the gain 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.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 48,420

Re: 10 second questions

Hi bobbym,

#5093. Find the area of a right-angled triangle whose base is 12 centimeters and hypotenuse 13 centimeters.

#5094. The base of a triangular field is three times its altitude. If the cost of cultivating the field at $24.68 per hectare be $333.18, find its base and height.

---

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.

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.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 48,420

Re: 10 second questions

Hi bobbym,

The solutions #5091, #5092, and #5093 are correct. Remarkable!

The solution #5094 is correct too, the solution is to be stated: Base : 900 meters, Altitude : 300 meters. Good work!

#5095. Find the length of the altitude of an equilateral triangle of side

centimeters.

#5096. In two triangles, the ratio of the areas is 4:3 and the ratio of their heights is 3:4. Find the ratio of their bases.

---

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.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 48,420

Re: 10 second questions

#5097. Find the length of a rope by which a cow must be tethered in order that it may be able to graze an area of 9856 square meters.

#5098. The area of a circular field is 13.86 hectares. Find the cost of fencing at the rate of $4.40 per meter.

.

---

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.

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.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 48,420

Re: 10 second questions

Hi bobbym,

The solutions #5097 and #5098 are correct. Remarkable!

#5099. The diameter of the driving wheel of a bus is 140 centimeters. How many revolutions per minute must the wheel make in order to keep a speed of 66 kilometers per hour?

#5100. A wheel makes 1000 revolutions in covering a distance of 88 kilometers. Find the radius of the wheel.

---

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.

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.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 48,420

Re: 10 second questions

Hi bobbym,

The solutions #5099 and #5100 are correct. Splendid!

5101. The inner circumference of a circular race track, 14 meters wide, is 440 meters. Find the radius of the outer circle.

#5102. Two concentric circles form a ring. The inner and the outer circumference of the ring are

meters and

meters respectively. Find the width of the ring.

.

---

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.

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.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 48,420

Re: 10 second questions

Hi bobbym,

The solutions #5101 and #5102 are correct. Remarkable!

#5103. Find the ratio of the areas of the incircle and circumcircle of a square.

#5104. If the radius of a circle is decreased by 50%, find the percentage decrease in its area.

---

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.

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.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 48,420

Re: 10 second questions

Hi bobbym,

The solutions #5103 and #5104 are correct. Tremendous work!

#5105. The length of a rectangle is 18 centimeters and its breadth is 10 centimeters. When the length is increased to 25 centimeters, what will be the breadth of the rectangle if the area remains the same?

#5106. A rectangular plot measuring 90 meters by 50 meters is to be enclosed by wire fencing. If the poles of the fence are kept 5 meters apart, how many poles will be needed?

---

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.

Maburo

Member

From: Alberta, Canada

Registered: 2013-01-08

Posts: 287

Re: 10 second questions

---

"Pure mathematics is, in its way, the poetry of logical ideas."
-Albert Einstein

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.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 48,420

Re: 10 second questions

Hi bobbym,

The solutions #5105 and #5106 are correct. Immaculate!

#5107. The difference between the length and breadth of a rectangle is 23 meters. If its perimeter is 206 meters, find its area.

#5108. The length of a rectangular plot is 20 meters more than its breadth. If the cost of fencing the plot at the rate of $26.50 per meter, what is the length of the plot in meters?

---

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.