Math Is Fun Forum

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 48,425

Re: Oral puzzles

Hi,

Neat work!

#4866. The salaries of A, B, and C are in the ratio 1 : 2 : 3. If the increment of 25%, 10%, and 20% are allowed respectively in their salaries, what will be the new ratio of their salaries?

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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.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 48,425

Re: Oral puzzles

Hi,

#4867. $575 is to be divided into three parts proportional to

find the largest part.

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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.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 48,425

Re: Oral puzzles

Hi,

#4868. $4300 divided among x, y, z such that x : y = 5 : 4, y : z = 3 : 4, then who gets the largest amount?

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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.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 48,425

Re: Oral puzzles

Hi,

#4869. $4300 divided among x, y, z such that x : y = 5 : 4, y : z = 3 : 4. Find the amount received by y.

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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.

Denominator

Member

Registered: 2009-11-23

Posts: 220

Re: Oral puzzles

Hi,

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Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 48,425

Re: Oral puzzles

Hi,

I am unable to reply as there is a power failure in the place I reside. I shall get back to you soon.

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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.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 48,425

Re: Oral puzzles

Hi,

Neat work!

#4870. The ratio of three numbers is 2 : 3 : 5 and their product is 39930. Find the sum of the numbers..

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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.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 48,425

Re: Oral puzzles

Hi,

#4871. In a school, 10% of number of girls is equal to 1/20th of number of boys. Find the ratio the number of boys to that of the girls.

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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.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 48,425

Re: Oral puzzles

Hi,

#4872. Two numbers are in the ratio 3 : 5. If 5 is subtracted from each number, the new numbers are in the ratio 1 : 2. Find the sum of the numbers.

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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.

Denominator

Member

Registered: 2009-11-23

Posts: 220

Re: Oral puzzles

Hello,

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Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 48,425

Re: Oral puzzles

Hi,

Neat work!

#4873. Two numbers are in the ratio 4:5 and their Least Common Multiple is 180. Find the smaller number.

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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.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 48,425

Re: Oral puzzles

Hi,

#4874. Three numbers are in the ratio 1 : 2 : 3. By adding 5 to each of them, the new numbers are in the ratio 2 : 3 : 4. Find the numbers.

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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.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 48,425

Re: Oral puzzles

Hi,

#4875. The ratio of the income and the expenditure of Abel is 10 : 7. If Abel's expenses are $10,500, then find the savings of Abel.

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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.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 48,425

Re: Oral puzzles

Hi,

#4876. The incomes of A and B are in the ratio 2 : 3 and their expenditures are in the ratio 1 : 2. If each saves $24,000, find A's income.

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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.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 48,425

Re: Oral puzzles

Hi,

#4877. The ratio of boys and girls in a class is 5 : 3. The class has 16 more boys than girls. How many girls are there in the class?

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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.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 48,425

Re: Oral puzzles

Hi,

#4878.A, B, and C play cricket. A's runs are to B's runs and B's runs are to C's runs are 3 : 2. They make altogether 342 runs. How many runs did A make?

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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.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 48,425

Re: Oral puzzles

Hi,

#4879. Salaries of R and S are in the ratio 1 : 2. The salaries of each are increased by $10,000, then the new ratio of the salaries becomes 3 : 5. Find the present salary of R.

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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.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 48,425

Re: Oral puzzles

Hi,

#4880. If $34,000 be divided among A, B, and C in such a way that B gets 3/2 of what A gets and C gets 4 times of what B gets, then find the share of B.

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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.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 48,425

Re: Oral puzzles

Hi,

#4881. Salaries of Richard and Simon are in the ratio 2 : 3. If the salary of each is increased by $4,000, the new ratio becomes 40 : 57. What is Richard's salary after the increase?

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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.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 48,425

Re: Oral puzzles

Hi,

#4882. The monthly salaries of two persons are in the ratio 4 : 7. If each receives an increase of $25 per month in the salary, the ratio is altered to 3 : 5. Find their respective salaries before the increase.

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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.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 48,425

Re: Oral puzzles

Hi,

#4883. The wages of laborers in a factory increased in the ratio 22 : 25 and there was a reduction in their number in the ratio 15 : 11 Find the original wage bill if the present bill is $ 5000?

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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.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 48,425

Re: Oral puzzles

Hi,

#4884. A is 20 years old and R is 30 years old. After how many years will the ratio of their ages be 4 : 5?

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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.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 48,425

Re: Oral puzzles

Hi,

#4885. The ratio of the father's age and the son's age is 12 : 5. The product of their ages is 1500. Find the ratio of their ages after 10 years.

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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.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 48,425

Re: Oral puzzles

Hi,

#4886. The present ages of three persons are in the proportions 2 : 3 : 4. Five years ago, the sum of their ages was 39. Find their present ages (in years).

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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.

Denominator

Member

Registered: 2009-11-23

Posts: 220

Re: Oral puzzles

Hello,

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