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**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 21,069

Hi bobbym,

.

#1756.

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.

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 104,744

Hi ganesh;

In post # 2524 you have a = 50. That is why I am getting -2400 for question #1755

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.** **A number by itself is useful, but it is far more useful to know how accurate or certain that number is.**

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**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 21,069

Hi bobbym,

The solution #1756 is perfect. Neat job!

PS : I hope the working of the Problem #1755 helped you. I regret the clerical error in the problem.

#1757.

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.

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 104,744

Hi;

Yes, your explanation helped alot.

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.** **A number by itself is useful, but it is far more useful to know how accurate or certain that number is.**

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**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 21,069

Hi bobbym,

Thanks, bobbym!

The solution #1757 is perfect. Remarkable!

#1758.

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.

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 104,744

Hi;

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.** **A number by itself is useful, but it is far more useful to know how accurate or certain that number is.**

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**ShivamS****Member**- Registered: 2011-02-07
- Posts: 3,648

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**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 21,069

Hi bobbym and ShivamS,

The solution #1758 is correct. Excellent, bobbym!

The solution #1757 is correct. Brilliant, ShivamS!

#1759. Find the square root of

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

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 104,744

Hi;

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.**

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**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 21,069

Hi bobbym,

The solution #1759 is correct. Neat job!

#1760. Find the sum of all 3 digit natural numbers, which are divisible by 9.

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

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 104,744

Hi;

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.**

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**ShivamS****Member**- Registered: 2011-02-07
- Posts: 3,648

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**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 21,069

Hi bobbym and ShivamS,

The solution #1760 is correct. Brilliant!

#1761. Find the sum of first 20 terms of the Arithmetic Progression in which 3[sup]rd[/sup] term is 7 and 7[sup]th[/sup] term is 2 more than three times its 3[sup]rd[/sup] term.

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

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 104,744

Hi;

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.**

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**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 21,069

Hi bobbym,

The solution #1761 is correct. Stupendous!

#1762. Find the sum of all natural numbers between 300 and 500 which are divisible by 11.

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

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 104,744

Hi;

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.**

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**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 21,069

Hi bobbym,

The solution #1762 is perfect. Excellent!

#1763. Solve : 1 + 6 + 11 + 16 + ..... + x = 148.

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

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 104,744

Hi;

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.**

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**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 21,069

Hi bobbym,

The solution #1763 is perfect. Excellent!

#1764. Find the sum of all numbers between 100 and 200 which are not divisible by 5.

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

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 104,744

Hi;

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.**

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**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 21,069

Hi bobbym,

The solution #1764 is perfect. Remarkable!

#1765. Find the least perfect square number divisible by 3, 4, 5, 6 and 8.

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

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 104,744

Hi;

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.**

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**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 21,069

Hi bobbym,

The solution #1765 is correct. Good work!

#1766. Find the least number by which 294 must be multiplied to make it a perfect square.

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

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 104,744

Hi;

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.**

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**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 21,069

Hi bobbym,

The solution #1766 is correct. Good work!

#1767. How many consecutive terms starting from the first term of the series 3 + 9 + 27 + ....would sum to 1092?

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

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