Math Is Fun Forum

Maburo

Member

From: Alberta, Canada

Registered: 2013-01-08

Posts: 287

Re: 10 second questions

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"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;

---

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: 48,425

Re: 10 second questions

Hi Maburo and bobbym,

The solutions #5143 and #5144 are both correct. Splendid performance!

#5145. What is the number of marble slabs of size 20 centimeters x 30 centimeters required to pave the floor of a square room of side 3 meters?

#5146. 50 square stone slabs of equal size were needed to cover a floor area of 72 square meters. What is the length of each stone slab?

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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: 48,425

Re: 10 second questions

Hi bobbym,

The solution #5146 is correct. Neat job!

#5147. What is the least number of square tiles required to pave the floor of a room 15 meters 17 centimeters long and 9 meters 2 centimeters broad?

#5148. A rectangular room can be partitioned into two square rooms by a partition 7 meters long. What is the area of the rectangular room in square 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.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 48,425

Re: 10 second questions

Hi bobbym,

#5149. The perimeter of a square is 48 centimeters. The area of a rectangle is 4 square centimeters less than the area of the square. If the length of the rectangle is 14 centimeters, then find its perimeter.

#5150. The area of a rectangle is thrice that of a square. If the length of the rectangle is 40 centimeters and its breadth is 1.5 times that of the side of the square, then what is the side of the square?

---

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: 48,425

Re: 10 second questions

Hi bobbym,

The solutions #5149 and #5150 are correct. Stupendous!

#5151. If the perimeter of a rectangle and square, each is equal to 80 centimeters and the difference of their areas is 100 square centimeters, find the sides of the rectangle.

#5152. The cost of fencing a square field @ $20 per meter is $10,800. How much will it cost to lay a three meter wide pavement along the fencing inside the field @ $50 per square 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: 48,425

Re: 10 second questions

Hi bobbym,

The solution #5151 is correct. Excellent!

#5153. A man walked diagonally across a square lot. Approximately, what was the percent saved by not walking along the edges?

#5154. A man walking at the speed of 4 kilometers per hour crosses a square field diagonally in 3 minutes. What is the area of the field?

---

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: 48,425

Re: 10 second questions

Hi bobbym,

The solution #5153 is correct. Excellent, bobbym!

#5155. If the length of the diagonal of a square is 20 centimeters, then what should its perimeter be?

#5156. The area of a square field is 69696 square centimeters. What would its diagonal be equal to?

---

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 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: 48,425

Re: 10 second questions

Hi bobbym,

The solutions #5155 and #5156 are correct. Marvelous!

#5157. What is the ratio of the area of a square to that of the square drawn on its diagonal?

#5158. What is the ratio of the areas of two squares, one having its diagonal double than the other?

---

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: 48,425

Re: 10 second questions

Hi bobbym,

The solution #5158 is correct. Excellent!

Regarding #5157, you got it right! I shall wait for your solution!

---

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: 48,425

Re: 10 second questions

Hi bobbym,

The solution #5157 is correct. Excellent!

#5159. If the ratio of areas of two squares is 225:256, then the what is the ratio of their perimeters?

#5160. If each side of a square is increased by 50%, then what is the ratio of the area of the resulting square to that of the given square?

---

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: 48,425

Re: 10 second questions

Hi bobbym,

#5161. What happens to the area of a square when its side is halved?

#5162. If the area of a square increases by 69%, then the side of the square increases by what 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: 48,425

Re: 10 second questions

Hi bobbym,

The solutions #5161 and #5162 are correct. Good work, bobbym!

#5163. If the diagonal of a square is made 1.5 times, then what is the ratio of the areas of two squares?

#5164. The length and breadth of a square are increased by 40% and 30% respectively. The area of the resulting rectangle exceeds the area of the square by what 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: 48,425

Re: 10 second questions

Hi bobbym,

The solutions #5163 and #5164 are correct. Fantastic!

#5165. The length of one pair of opposite sides of a square is increased by 5 centimeters on each side, the ratio of the length and the breadth of the newly formed rectangle becomes 3:2. What is the area of the original square?

#5166. If the side of a square is increased by 5 centimeters, the area inreases by 165 square centimeters. What is the side of the square?

---

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: 48,425

Re: 10 second questions

Hi bobbym,

The solutions #5165 and #5166 are correct. Brilliant!

#5167. The difference of the areas of two squares drawn on two line segments of different lengths is 32 square centimeters. Find the length of the greater line segment if one is longer than the other by 2 centimeters.

#5168. The areas of a square and a rectangle are equal. The length of the rectangle is greater than the length of any side of the square by 5 centimeters and the breadth is less by 3 centimeters. Find the perimeter of the rectangle.

---

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.