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****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 93,650

Hi ganesh;

Hi anonimnystefy;

Hurry up and fix your post number.

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

**I agree with you regarding the satisfaction and importance of actually computing some numbers. I can't tell you how often I see time and money wasted because someone didn't bother to run the numbers.**

Offline

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 16,363

Hi anonimnystefy and bobbym,

The solution #1535 is correct. Neat job!

#1536. 30% of 200 + √{x} = 48% of 550 - 10% of 150.

Find the value of x.

Character is who you are when no one is looking.

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 93,650

Hi;

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

**I agree with you regarding the satisfaction and importance of actually computing some numbers. I can't tell you how often I see time and money wasted because someone didn't bother to run the numbers.**

Offline

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 16,363

Hi bobbym,

The solution #1536 is perfect. Remarkable!

#1537. After spending 25% of his money, a man has $24 left. How much he had in the beginning?

Character is who you are when no one is looking.

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 93,650

Hi ganesh;

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

**I agree with you regarding the satisfaction and importance of actually computing some numbers. I can't tell you how often I see time and money wasted because someone didn't bother to run the numbers.**

Offline

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 16,363

Hi bobbym,

The solution #1537 is correct. Well done!

#1538. If 8100 is divided into three parts with the ratio 2:3:4, then what is the smallest number?

Character is who you are when no one is looking.

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 93,650

Hi ganesh;

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

Offline

**anonimnystefy****Real Member**- From: The Foundation
- Registered: 2011-05-23
- Posts: 15,917

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

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 16,363

Hi bobbym and anonimnystefy,

The solution #1538 is correct. Neat job!

#1539. If x:y = 6:5, then what is the ratio (5x + 3y) : (5x - 3y) equal to?

Character is who you are when no one is looking.

Offline

**anonimnystefy****Real Member**- From: The Foundation
- Registered: 2011-05-23
- Posts: 15,917

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

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 93,650

Hi;

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

Offline

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 16,363

Hi anonimnystefy and bobbym,

The solution #1539 is correct. Marvelous!

#1540. In a college, the ratio of number of boys to girls is 8 : 5. If there are 160 girls, find the total number of students in the college.

Character is who you are when no one is looking.

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 93,650

Hi;

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

Offline

**anonimnystefy****Real Member**- From: The Foundation
- Registered: 2011-05-23
- Posts: 15,917

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

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 16,363

Hi bobbym and anonimnystefy,

The solution #1540 is correct. Neat job!

#1541. A, B, C enter into partnership with $700, $1000, and $1200 respectively. What is the share of B out of the profit of $580?

Character is who you are when no one is looking.

Offline

**anonimnystefy****Real Member**- From: The Foundation
- Registered: 2011-05-23
- Posts: 15,917

Hi ganesh

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

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 93,650

Hi;

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

Offline

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 16,363

Hi anonimnystefy and bobbym,

The solution #1541 is correct. Good work!

#1542. A is twice as good a workman as B. Together, they finish the work in 14 days. In how many days can it be done by each separately?

Character is who you are when no one is looking.

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 93,650

Hi;

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

Offline

**anonimnystefy****Real Member**- From: The Foundation
- Registered: 2011-05-23
- Posts: 15,917

Hi ganesh

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

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 16,363

Hi bobbym and anonimnystefy,

The solution #1542 is correct, Brilliant!

#1543. A can do a work in 7 days, B in 14 days, and C in 28 days respectively. How long would they take if all the three work together?

Character is who you are when no one is looking.

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 93,650

Hi ganesh;

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

Offline

**anonimnystefy****Real Member**- From: The Foundation
- Registered: 2011-05-23
- Posts: 15,917

Hi ganesh

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

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 16,363

Hi bobbym and anonimnystefy,

The solution #1543 is correct. Good work!

#1544. A, B, and C together can do a work in 3 days. If A and B can do the work in 4 days, then C alone can do the work in how many days?

Character is who you are when no one is looking.

Offline

**anonimnystefy****Real Member**- From: The Foundation
- Registered: 2011-05-23
- Posts: 15,917

Hi ganesh

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