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

You are not logged in.

- Topics: Active | Unanswered

**Denominator****Member**- Registered: 2009-11-23
- Posts: 155

Hello

Offline

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 16,671

Hi bobbym and Denominator,

Good work, bobbym!

#1562. The sides of a triangle are in the ratio 1/2 : 1/3 : 1/4 and its perimeter is 104 centimeter. What is the length of the longest side?

Character is who you are when no one is looking.

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 94,901

Hi;

**In mathematics, you don't understand things. You just get used to them.**

**If it ain't broke, fix it until it is.**

**Online**

**anonimnystefy****Real Member**- From: The Foundation
- Registered: 2011-05-23
- Posts: 15,919

Hi ganesh

Here lies the reader who will never open this book. He is forever dead.

Taking a new step, uttering a new word, is what people fear most. ― Fyodor Dostoyevsky, Crime and Punishment

The knowledge of some things as a function of age is a delta function.

Offline

**Denominator****Member**- Registered: 2009-11-23
- Posts: 155

Hello

Offline

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 16,671

Hi bobbym, anonimnystefy, and Denominator,

The solution #1562 is correct. Neat job!

#1563. If 10% of x = 20% of y, then x : y is equal to _________________

Character is who you are when no one is looking.

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 94,901

Hi;

**In mathematics, you don't understand things. You just get used to them.**

**If it ain't broke, fix it until it is.**

**Online**

**Denominator****Member**- Registered: 2009-11-23
- Posts: 155

Hello

Offline

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 16,671

Hi bobbym and Denominator,

The

Correct, bobbym! Well done!

#1564. If 0.4 of a number is equal to 0.06 of another number, the ratio of the numbers is _____________

Character is who you are when no one is looking.

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 94,901

Hi;

**In mathematics, you don't understand things. You just get used to them.**

**If it ain't broke, fix it until it is.**

**Online**

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 16,671

Hi bobbym,

The solution #1564 is correct. Neat job!

#1565. Gold is 19 times as heavy as water and copper is 9 times as heavy was water. In what ratio should these be mixed to get an alloy 15 times as heavy as water?

Character is who you are when no one is looking.

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 94,901

Hi;

**In mathematics, you don't understand things. You just get used to them.**

**If it ain't broke, fix it until it is.**

**Online**

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 16,671

Hi bobbym,

The solution #1565 is correct. Smart work!

#1566. Find the mean proportional between 0.08 and 0.18.

Character is who you are when no one is looking.

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 94,901

Hi;

**In mathematics, you don't understand things. You just get used to them.**

**If it ain't broke, fix it until it is.**

**Online**

**Denominator****Member**- Registered: 2009-11-23
- Posts: 155

Hello

Offline

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 16,671

Hi bobbym and Denominator,

The solution #1566 is correct. Neat job!

#1567. A shopkeeper sells one transistor for $840 at a gain of 20% and another for $960 at a loss of 4%. Find the total gain or loss percent.

Character is who you are when no one is looking.

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 94,901

Hi;

**In mathematics, you don't understand things. You just get used to them.**

**If it ain't broke, fix it until it is.**

**Online**

**Denominator****Member**- Registered: 2009-11-23
- Posts: 155

Hello

Offline

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 16,671

Hi bobbym and Denominator,

#1568. If loss is 1/3 of Selling Price, find the loss percentage.

Character is who you are when no one is looking.

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 94,901

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.**

**Online**

**Denominator****Member**- Registered: 2009-11-23
- Posts: 155

Hello

Offline

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 16,671

Hi bobbym and Denominator,

#1569. The percentage profit earned by selling an article for $1920 is equal to the percentage loss incurred by selling the same article for $1280. At what price should the article be sold to make 25% profit?

Character is who you are when no one is looking.

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 94,901

Hi;

**In mathematics, you don't understand things. You just get used to them.**

**If it ain't broke, fix it until it is.**

**Online**

**Denominator****Member**- Registered: 2009-11-23
- Posts: 155

Hello Ganesh

Offline

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 16,671

Hi bobbym and Denominator,

The solution #1569 is perfect. Marvelous!

#1570. The difference between a number and its two-fifth is 510. What is 10% of that number?

Character is who you are when no one is looking.

Offline