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

You are not logged in.

- Topics: Active | Unanswered

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 23,045

I wish to share 'Interesting Information' I have read, inferred, deduced, computed, and compiled in my life in Question - Answer pattern...in these subjects : my favorite ones: Mathematics, Physics, Chemistry, Astronomy, and Geography....

II 1. The smallest number apart from zero and one is a perfect square square, cube, fourth, fifth, and sixth power contains a certain number of digits. How many?

II 2. Why is the number 1.444667861.... important to Mathematicians?

(Index» Euler Avenue» Transcendental Numbers #1)

II 3. The number 'pi' is a mathematical constant, the ratio of a circle's circumference to its diameter, commonly approximated as 3.14159. After how many places does 'zero' appears in the value of pi?

It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.

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;

1)

2)

3)

**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

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 23,045

Hi bobbym,

The solutions II 1, II 2, and II 3 are perfect! Outstanding, bobbym!

These three numbers art my all-time favorite ones!

II 4. At the temperature 'x', the Kelvin and Fahrenheit (symbol °F) are equal. Find the value of 'x'.

II 5. What is special about the number 232792560?

II 6. Without referring, find the value of

.

up to 10 places after the decimal.

It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.

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

Offline

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 23,045

Hi,

II 4. 574.5875

II 5. 232792660 is the smallest numbers divisible by all natural numbers from 1 to 20.

II 6. Approximately 0.30102999566; 0.47712125472; and 0.84509804001.

II 7. How many digits does 100! contain?

It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.

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

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 23,045

Hi bobbym,

The Answers (II 6 and II 7) are both correct! Remarkable, bobbym!

II 8. Give the approximate values of

.

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

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 23,045

Hi bobbym,

Excellent, bobbym!

II 9. (i) What is the first abundant number? (ii) What are the first amicable numbers pair?

II 10. The Greek letter phi represents the golden ratio. Its value is:

. Give the value of phi rounded to 3 decimal places.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

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 23,045

Hi bobbym,

The answers II 9 (i), II 9 (ii), and II 10 are all perfect! Remarkable!

II 11. Let 'n' be the number of digits of the Least Common Multiple of 1, 2, 3 4, 5,

... 100. Find 'n' approximately.

II 12. State the 'Stirling formula or approximation' also known James Stirling formula.

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

Offline

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 23,045

Hi bobbym,

.

II 13. Give the values of surface areas of the first five largest countries in the World.

II 14. What is the value of fifth root of 100 approximately? What is its signification?

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

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 23,045

Hi bobbym,

Perfect!

Answer #II 12 - Perfect!

.

.

Good work, bobbym!

Find the approximately values : - four places after the decimal - Good, 8 places - Excellent.

II 15.

.II 16.

.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

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 23,045

Hi bobbym,

The Answers II 15 and II 16 are perfectly right! Magnificent, bobbym!

II 17. Fermat's Last Theorem states that

has no non-integer solutions for x, y, and z when n>2. In which year did Pierre de Fermat state it?II 18. What a the largest Mersenne prime number as on date?

II 19. What is the first 'Skewes' Number'?

II 20. What are the values of densities of Gold (element) and Mercury (element) in kilograms per meter cube approximately?

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

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 23,045

Hi bobbym,

.

The Answers II 17 and II 19 are correct! Commendable, bobbym!

II 21. Give the formula for conversion for C to F and vice versa (temperatures).

II 22. Compute

and .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

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 23,045

Hi bobbym,

The Answers II 21 and II 22 are correct! Brilliant!

II 23 and II 24. Find the value (approximately) the number of seconds in a day on earth and time to travel from Sun to Earth.

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

Offline

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 23,045

Hi,

.

II 25. Find the value (approximately) of Specific Gravity at room temperature of Mono Ethylene Glycol and Glycerol.

II 26. Find the values of Density of Ammonia (at STP) and Sulfur Dioxide in kilograms per meter cube.

oxide

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

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 23,045

Hi bobbym,

Good attempt, Answer II 25, bobbym!

II 27. If 'x' the the smallest number apart from 0 and 1 which is a perfect square, cube, fourth, fifth, and sixth power, find the value of 'x' approximately.

II 28. If 'x' the the smallest number apart from 0 and 1 which is a perfect square, cube, fourth, fifth, sixth.... and 10th power, find the value of 'x' approximately.

II 29. If 'x' the the smallest number apart from 0 and 1 which is a perfect square, cube, fourth, fifth, sixth ... and twentieth power, find the value of 'x' approximately.

II 30. If 'x' the the smallest number apart from 0 and 1 which is a perfect square, cube, fourth, fifth, sixth ... and hundredth power, find the value of 'x' approximately.

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

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 23,045

Hi bobbym,

The four Answers are perfect! Impeccable!

II 31. Give the value of 'Threshold of pain' in Bels / Decibels.

II 32. How many times approximately is the Radius of Sun compared to Radius of Earth?

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