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#6801 2021-01-27 15:39:44

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: Oral puzzles

Hi,

Neat work!

#4916. The product of two fractions is 4/35 and their quotient is 7/20. Find the greater fraction.


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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#6802 2021-01-28 09:02:49

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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#6803 2021-01-28 15:36:48

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: Oral puzzles

Hi,

.

Neat work!

#4917.


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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#6804 2021-01-29 03:47:22

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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#6805 2021-01-29 15:55:13

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: Oral puzzles

Hi,

Neat work!

#4918. The sum of squares of 3 consecutive positive numbers is 365. Find the sum of 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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#6806 2021-01-30 03:53:35

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.

Offline

#6807 2021-01-30 16:04:25

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: Oral puzzles

Hi,

Excellent!

#4919. When a number is divided by 357, the remainder is 39. If the number is divided by 17, what will the remainder be?


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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#6808 2021-01-31 04:16:49

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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#6809 2021-01-31 15:49:56

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: Oral puzzles

Hi,

Excellent!

#4920. The sum of three consecutive numbers is 2262. What is 41% of the highest 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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#6810 2021-02-02 00:03:37

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: Oral puzzles

Hi,

#4921. The sum of three consecutive odd natural numbers is 147. Find the middle 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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#6811 2021-02-03 04:58:39

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.

Offline

#6812 2021-02-03 15:43:11

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: Oral puzzles

Hi,

Neat work!

#4922. The present ages of X and Y are in the ratio 15 : 17. After 6 years, the respective ratio of the ages of X and Y will be 9 : 10. What will be the age (in years) of X after 6 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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#6813 2021-02-04 05:13:41

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.

Offline

#6814 2021-02-04 16:06:39

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: Oral puzzles

Hi,

Neat work!

#4923. The sum of twice a number and three times of 42 is 238. What is the sum of thrice the number and two times of 42?


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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#6815 2021-02-05 04:00:25

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.

Offline

#6816 2021-02-05 15:33:30

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: Oral puzzles

Hi,

Neat work!

#4924. The present ages of Amanda and her mother is 1 : 2. The ratio of their ages 6 years hence would be 11 : 20. What was the ratio of their ages 9 years ago?


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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#6817 2021-02-07 00:03:53

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: Oral puzzles

Hi,

#4925. Which term of the Arithmetic Progression 3, 15, 27, 39, ... will be 132 more than its 54th term?


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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#6818 2021-02-07 03:10:12

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.

Offline

#6819 2021-02-07 16:03:58

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: Oral puzzles

Hi,

Neat work!

#4926. If 30% of (B - A) = 18% of (B + A), find the ratio A : B


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.

Offline

#6820 2021-02-08 04:54:29

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.

Offline

#6821 2021-02-08 15:06:54

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: Oral puzzles

Hi,

Neat work!

#4927. If 50% of (P - Q) = 30% of (P + Q) and Q = x% of P, find the value of x.


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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#6822 2021-02-09 03:32:39

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.

Offline

#6823 2021-02-09 16:03:35

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: Oral puzzles

Hi,

Neat work!

#4928. If the interior angles of a five sided polygon are in the ratio 2 : 3 : 3 : 5 : 5, find the measure of the smallest angle.


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.

Offline

#6824 2021-02-10 03:52:39

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.

Offline

#6825 2021-02-10 15:53:47

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: Oral puzzles

Hi,

Keep it up!

#4928. The numerator of a fraction is increased by 20% and the denominator is decreased by 20%. The value of the fraction becomes 4/5. Find the original fraction.


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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