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

You are not logged in.

- Topics: Active | Unanswered

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

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

**Jai Ganesh****Administrator**- Registered: 2005-06-28
- Posts: 46,141

Hi;

The Answers, II 82 and II 83, are correct. Neat work, bobbym!

II 84. The Sahara ('the Greatest Desert') is the largest hot desert and the third largest desert in the world after Antarctica and the Arctic. State the area in square kilometers or square miles (± 10% of the actual value).

II 85. The Yangtze River, known in China as the Cháng Jiāng or the Yángzǐ Jiāng, is the longest river in Asia and the third-longest in the world. The river is the longest in the world to flow entirely within one country. It drains one-fifth of the land area of the People's Republic of China (PRC) and its river basin is home to one-third of the country's population. The Yangtze is the sixth-largest river by discharge volume in the world. What is the length of the river in kilometers or miles (± 10% of the actual value)?

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

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

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

**Jai Ganesh****Administrator**- Registered: 2005-06-28
- Posts: 46,141

Hi;

Neat work, bobbym! (II 84)

II 86. Name the nation : At 1,904,569 square kilometres (735,358 square miles), it is the world's 14th-largest country in terms of land area and world's 7th-largest country in terms of combined sea and land area.

II 87. Name the nation: The population of 127 million is the world's tenth largest. The nation's people make up 98.5% of its total population. Approximately 9.1 million people live in the city of the capital.

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

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

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

**Jai Ganesh****Administrator**- Registered: 2005-06-28
- Posts: 46,141

Hi;

.

.

The Answer II 87 is correct. Splendid, bobbym!

II 88. Give the value of Density of Uranium in kilograms per meter cube or grams per cubic centimeters within ±5%.

II 89. Give the value of Density of Platinum in kilograms per meter cube or grams per cubic centimeters within ±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.

Offline

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

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

**Jai Ganesh****Administrator**- Registered: 2005-06-28
- Posts: 46,141

Hi;

The solution II 89 is correct. Neat work, bobbym!

II 90. What is the mass of a proton (in kilograms) (± 10% of the actual value)?

II 91. What is the mass of an electron (in kilograms) (± 10% of the actual value)?

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

Offline

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

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

**Jai Ganesh****Administrator**- Registered: 2005-06-28
- Posts: 46,141

Hi;

Both the Answers, II 90 and II 91, are correct. Excellent, bobbym!

II 92. What is the surface area of Pacific ocean (in square kilometers or square miles) (± 10% of the actual value)?

II 93. What is the surface area of Atlantic ocean (in square kilometers or square miles) (± 10% of the actual value)?

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

Offline

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

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

**Jai Ganesh****Administrator**- Registered: 2005-06-28
- Posts: 46,141

Hi;

The Answers, II 92 and II 93, are correct. Brilliant, bobbym!

II 94. What is the total area of Canada? (in square kilometers or square miles) (± 10% of the actual value)

II 95. What is the total area of Australia (nation)? (in square kilometers or square miles) (± 10% of the actual value)

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

Offline

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

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

**Jai Ganesh****Administrator**- Registered: 2005-06-28
- Posts: 46,141

Hi;

The Answer II 94 is within the range. Neat work, bobbym!

II 96. Lake Superior is the largest of the Great Lakes of North America. The lake is shared by the Canadian province of Ontario to the north, the US state of Minnesota to the west, and Wisconsin and Michigan to the south. It is generally considered the largest freshwater lake in the world by surface area. It is the world's third-largest freshwater lake by volume and the largest by volume in North America. What is its Surface area in square kilometers or square miles (± 10% of the actual value)?

II 97. The Caspian Sea is the largest enclosed inland body of water on Earth by area, variously classed as the world's largest lake or a full-fledged sea. What is the surface area in square kilometers or square miles (± 10% of the actual value)? (not including the detached lagoon of Garabogazköl) *The Garabogazköl Aylagy, alternatively the Kara-Bogaz-Gol is a shallow inundated depression in the northwestern corner of Turkmenistan.*

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

Offline

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

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

**Jai Ganesh****Administrator**- Registered: 2005-06-28
- Posts: 46,141

Hi;

The Answer II 96 is correct (within the range). Excellent, bobbym!

II 98. What is the approximate height of Mount Everest? (meters or feet) (above sea level) (± 5% of the actual value)?

II 99. What is the approximate height of Mount K2 (also known as Mount Godwin-Austen or Chhogori)? (meters or feet) (above sea level) (± 5% of the actual value)?

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

Offline

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

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

**Jai Ganesh****Administrator**- Registered: 2005-06-28
- Posts: 46,141

Hi;

Both the Answers, II 98 and II 99, are within the range. Excellent, bobbym!

II 100. What is the significance of the number

?II 101. What is the value of golden ratio (three places after the decimal)?

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

Offline

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

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

**Jai Ganesh****Administrator**- Registered: 2005-06-28
- Posts: 46,141

Hi;

The Answer II #101 is correct. Neat work, bobbym!

II 102. Give the geographical location (latitudes, longitudes) of Egypt.

II 103. Give the geographical location (latitudes, longitudes) of Saudi Arabia.

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

Offline

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

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

**Jai Ganesh****Administrator**- Registered: 2005-06-28
- Posts: 46,141

Hi;

The Answer II 102 is partially correct. Good attempt, bobbym!

II 104. Indonesia is situated between the Indian and Pacific oceans, it is the world's largest island country, with more than how many islands?

II 105. Caribbean is situated largely on the Caribbean Plate, the region comprises more than how many islands?

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

Offline

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

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

**Jai Ganesh****Administrator**- Registered: 2005-06-28
- Posts: 46,141

Hi;

The Answer II 105 is correct. Excellent, bobbym!

II 106. What is the population of Population of Indonesia (2017 estimate) (± 5% of the actual value)?

II 107. What is the population of Population of Brazil (2016 estimate) (± 5% of the actual value)?

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

Offline

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

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