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#6776 2021-01-16 00:12:58
- Jai Ganesh
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- Registered: 2005-06-28
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Re: Oral puzzles
Hi,
#4904. The sum of the squares of three consecutive odd natural numbers is 1595. What is the largest number?
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.
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#6777 2021-01-16 04:10:45
- irspow
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Re: Oral puzzles
I am at an age where I have forgotten more than I remember, but I still pretend to know it all.
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#6778 2021-01-16 04:36:16
- irspow
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Re: Oral puzzles
I am at an age where I have forgotten more than I remember, but I still pretend to know it all.
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#6779 2021-01-16 14:42:09
- Jai Ganesh
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- Registered: 2005-06-28
- Posts: 48,422
Re: Oral puzzles
Hi irspow,
Excellent!
#4905. There are two numbers such that the sum of the first and twice the second is 42, while the twice of the first and the second is 39. Find the smaller number of the two.
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.
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#6780 2021-01-17 05:24:11
- irspow
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- Registered: 2005-11-24
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Re: Oral puzzles
I am at an age where I have forgotten more than I remember, but I still pretend to know it all.
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#6781 2021-01-17 14:55:04
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,422
Re: Oral puzzles
Hi,
Neat work!
#4906. If 14 is subtracted from two-third of a number, the result is equal to the sum of 24 and one-sixth of that number. Find the number.
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.
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#6782 2021-01-18 03:14:43
- irspow
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- Registered: 2005-11-24
- Posts: 1,055
Re: Oral puzzles
I am at an age where I have forgotten more than I remember, but I still pretend to know it all.
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#6783 2021-01-18 14:29:25
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,422
Re: Oral puzzles
Hi,
Keep it up!
#4907. The sum of the squares of two numbers is 1249 and the difference of their squares is 799. Find the numbers.
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.
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#6784 2021-01-19 03:20:13
- irspow
- Member
- Registered: 2005-11-24
- Posts: 1,055
Re: Oral puzzles
I am at an age where I have forgotten more than I remember, but I still pretend to know it all.
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#6785 2021-01-19 15:01:34
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,422
Re: Oral puzzles
Hi,
Keep it up!
#4908. The ratio of the present ages of A and B is 2 : 3. If B is 4 years older than A, what will be the ratio of the ages of A and B after 4 years?
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.
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#6786 2021-01-20 04:42:26
- irspow
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- Registered: 2005-11-24
- Posts: 1,055
Re: Oral puzzles
I am at an age where I have forgotten more than I remember, but I still pretend to know it all.
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#6787 2021-01-20 15:47:45
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,422
Re: Oral puzzles
Hi,
Neat work!
#4907. The present ages of Arthur and Brian are in the ratio 2 : 3 respectively. Six years hence, the ratio will become 7 : 9 respectively. What is Arthur's present age in years?
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.
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#6788 2021-01-21 04:28:58
- irspow
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- Registered: 2005-11-24
- Posts: 1,055
Re: Oral puzzles
I am at an age where I have forgotten more than I remember, but I still pretend to know it all.
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#6789 2021-01-21 16:09:30
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,422
Re: Oral puzzles
Hi,
Neat work!
#4910. Arnold's father is aged twice as Arnold. After 10 years, Arnold would be 4/7 times of his father's age. After further 10 years, how many times would Arnold's father be of Arnold's age?
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.
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#6790 2021-01-22 04:33:05
- irspow
- Member
- Registered: 2005-11-24
- Posts: 1,055
Re: Oral puzzles
I am at an age where I have forgotten more than I remember, but I still pretend to know it all.
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#6791 2021-01-22 14:43:52
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,422
Re: Oral puzzles
Hi,
Neat work!
#4911. If the difference of two numbers is 5 and the difference of their squares is 95, then find the larger number.
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.
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#6792 2021-01-23 04:29:08
- irspow
- Member
- Registered: 2005-11-24
- Posts: 1,055
Re: Oral puzzles
I am at an age where I have forgotten more than I remember, but I still pretend to know it all.
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#6793 2021-01-23 15:44:04
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,422
Re: Oral puzzles
Hi,
Neat work!
#4912. Five times the second of three consecutive odd integers is 1 more than four times the third. Find the third integer.
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.
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#6794 2021-01-24 03:44:54
- irspow
- Member
- Registered: 2005-11-24
- Posts: 1,055
Re: Oral puzzles
I am at an age where I have forgotten more than I remember, but I still pretend to know it all.
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#6795 2021-01-24 15:19:41
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,422
Re: Oral puzzles
Hi,
Excellent!
#4913. The present age of the father is 3 years more than three times the age of his son. Three years hence, the father's age will be 10 years more than twice the age of the son. Find the father's present age.
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.
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#6796 2021-01-25 04:43:47
- irspow
- Member
- Registered: 2005-11-24
- Posts: 1,055
Re: Oral puzzles
I am at an age where I have forgotten more than I remember, but I still pretend to know it all.
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#6797 2021-01-25 15:36:03
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,422
Re: Oral puzzles
Hi,
Neat work!
#4914. The sum of three consecutive multiples of 7 is 147. What is the largest number?
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.
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#6798 2021-01-26 02:28:28
- irspow
- Member
- Registered: 2005-11-24
- Posts: 1,055
Re: Oral puzzles
I am at an age where I have forgotten more than I remember, but I still pretend to know it all.
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#6799 2021-01-26 16:31:22
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,422
Re: Oral puzzles
Hi,
Good work!
#4915. A two digit number becomes four-seventh of itself when its digits are reversed. The two digits differ by 2. Find the number.
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.
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#6800 2021-01-27 04:44:22
- irspow
- Member
- Registered: 2005-11-24
- Posts: 1,055
Re: Oral puzzles
I am at an age where I have forgotten more than I remember, but I still pretend to know it all.
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