# Math Is Fun Forum

Discussion about math, puzzles, games and fun.   Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫  π  -¹ ² ³ °

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## #151 2017-04-26 16:54:03

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 46,211

### Re: Interesting Information.....

Hi;

.

.

II 158. What is the density of concrete in kilograms per meter cube?

II 159. What is the density of cotton in kilograms per meter cube?

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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## #152 2017-04-27 01:39:56

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

### Re: Interesting Information.....

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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## #153 2017-04-27 14:21:23

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 46,211

### Re: Interesting Information.....

Hi;

Good attempt, bobbym! (II 158)

II 160. What is the density of Bromine in kilograms per meter cube? (room temperature)

II 161. What is the density of Diethyl ether in grams per cubic centimeters or kilograms per meter cube?

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.

Online

## #154 2017-04-27 15:00:58

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

### Re: Interesting Information.....

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

## #155 2017-04-27 23:37:02

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 46,211

### Re: Interesting Information.....

Hi;

II 162. What is the area in square kilometers or square miles of the nation Democratic Republic of the Congo? (±5%)

II 163. What is the area in square kilometers or square miles of the nation Republic of the Sudan? (±5%)

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.

Online

## #156 2017-04-28 03:07:43

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

### Re: Interesting Information.....

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

## #157 2017-04-28 15:35:17

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 46,211

### Re: Interesting Information.....

Hi;

Although not within the range of 5%, it is very close, a good attempt! Neat work, bobbym! (II 163)

II 164. What is the unit franklin (Fr)?

II 165. What is the unit maxwell, abbreviated as Mx?

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.

Online

## #158 2017-04-28 16:20:00

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

### Re: Interesting Information.....

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

## #159 2017-04-28 21:35:27

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 46,211

### Re: Interesting Information.....

Hi;

.

The Answer II 165 is correct. Excellent, bobbym!

II 166. What are the composition of Alpha brasses and Beta brasses?

II 167. What is the composition of Constantan, a copper-nickel alloy also known as Eureka, Advance, and Ferry?

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.

Online

## #160 2017-04-29 03:17:01

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

### Re: Interesting Information.....

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

## #161 2017-04-29 14:21:06

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 46,211

### Re: Interesting Information.....

Hi;

The Answer II 167 is correct. Neat work, bobbym!

II 168. Give the value of

up to three decimals. (rounded)

II 169. Give the value of

up to three decimals. (rounded)

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.

Online

## #162 2017-04-29 17:07:00

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

### Re: Interesting Information.....

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

## #163 2017-04-30 14:36:02

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 46,211

### Re: Interesting Information.....

Hi;

Both the Answers, II 168 and II 169, are perfect. Brilliant, bobbym!

II 170. What is the Surface Gravity in meters per second square of Jupiter? (±10%)

II 171. What is the Surface Gravity in meters per second square of Saturn? (±10%)

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.

Online

## #164 2017-04-30 15:18:40

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

### Re: Interesting Information.....

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

## #165 2017-05-07 17:00:40

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 46,211

### Re: Interesting Information.....

Hi;

The Answer II 170 is perfect (well within the range). Excellent, bobbym!

II 172. What is the Escape velocity in kilometers per second of Jupiter?

II 173. What is the Escape velocity in kilometers per second of Saturn?

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.

Online

## #166 2017-05-07 17:55:52

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

### Re: Interesting Information.....

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

## #167 2017-05-10 23:10:19

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 46,211

### Re: Interesting Information.....

Hi;

Both the Answers, II 172 and II 173, are correct. Perfect, bobbym!

II 174. What is the refractive index of Silver Bromide?

II 175. What is the refractive index of Aluminium oxide (British English) or aluminum oxide (American English)?

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.

Online

## #168 2017-09-08 15:37:39

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 46,211

### Re: Interesting Information.....

Hi.

II 176. What is the value : 1° of latitude at equator (Kilometers or miles)?

II 177. What is the value : 1° of latitude at poles (Kilometers or miles)?

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.

Online

## #169 2021-05-15 01:41:47

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 46,211

### Re: Interesting Information.....

Hi,

II 178. What is the value of a Nautical mile?

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.

Online

## #170 2021-05-17 00:08:47

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 46,211

### Re: Interesting Information.....

Hi,

II 179. Blood pressure is one of the vital signs—together with respiratory rate, heart rate, oxygen saturation, and body temperature—that healthcare professionals use in evaluating a patient's health. What is the normal resting blood pressure, in an adult is approximately? (with units)

II 180. The blood sugar level, blood sugar concentration, or blood glucose level is the measure of concentration of glucose present in the blood of humans or other animals. What is the international standard way of measuring blood glucose levels? (units)

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.

Online

## #171 2021-05-25 00:05:14

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 46,211

### Re: Interesting Information.....

Hi,

II 181. What is the mean radius of planet Uranus in kilometers approximately?

II 182. What is the mean radius of planet Neptune in kilometers approximately?

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.

Online

## #172 2023-11-17 18:39:16

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 46,211

### Re: Interesting Information.....

Hi,

II 183. What are the Alkali Metals?

II 184. What are the Halogens?

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.

Online

## #173 2023-11-18 14:48:20

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 46,211

### Re: Interesting Information.....

Hi,

II 185. What is the density of Helium?

II 186. What is the density of Sodium?

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.

Online

## #174 2023-11-19 17:53:35

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 46,211

### Re: Interesting Information.....

Hi,

II 187. What is the density of Uranium?

II 188. What is the density of Platinum?

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.

Online

## #175 2023-11-20 14:27:12

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 46,211

### Re: Interesting Information.....

Hi,

II 189. What is special about the number 14,641?

II 190. What is special about the number 360,360?

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.

Online

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