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#6326 2019-04-14 15:29:28

Monox D. I-Fly
Member
From: Indonesia
Registered: 2015-12-02
Posts: 1,492

Re: Oral puzzles


Actually I never watch Star Wars and not interested in it anyway, but I choose a Yoda card as my avatar in honor of our great friend bobbym who has passed away. May his adventurous soul rest in peace at heaven.

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#6327 2019-04-14 23:14:09

ganesh
Administrator
Registered: 2005-06-28
Posts: 27,323

Re: Oral puzzles

Hi,

The solution #4431 is correct. Neat work, Monox D. I-Fly!

#4433. At present, Monica is eight times her daughter's age. Eight years from now, the ratio of the ages of Monica and her daughter will be 10 : 3. What is Monica's present age?


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#6328 2019-04-15 01:52:31

ganesh
Administrator
Registered: 2005-06-28
Posts: 27,323

Re: Oral puzzles

Hi,

#4434. Average of five consecutive odd numbers, A, B, C, D, and E is 45. What is the product of B and D?


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#6329 2019-04-15 17:04:14

ganesh
Administrator
Registered: 2005-06-28
Posts: 27,323

Re: Oral puzzles

Hi,

#4435. If 47a + 47b = 5452, then that is the average of a and b?


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#6330 2019-04-15 20:13:43

Monox D. I-Fly
Member
From: Indonesia
Registered: 2015-12-02
Posts: 1,492

Re: Oral puzzles


Actually I never watch Star Wars and not interested in it anyway, but I choose a Yoda card as my avatar in honor of our great friend bobbym who has passed away. May his adventurous soul rest in peace at heaven.

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#6331 2019-04-15 23:07:14

ganesh
Administrator
Registered: 2005-06-28
Posts: 27,323

Re: Oral puzzles

Hi,

.

The solution #4435 is correct. Neat work, Monox D. I-Fly!

#4436. The total age of the ages of a class of 75 girls is 1050, the average age of 25 of them is 12 years and that of another 25 is 16 years. Find the average age of the remaining girls.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#6332 2019-04-16 15:27:49

ganesh
Administrator
Registered: 2005-06-28
Posts: 27,323

Re: Oral puzzles

Hi,

#4437. Find the average of the following set of scores : 566, 455, 231, 678, 989, 342, and 715.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#6333 Yesterday 15:01:54

ganesh
Administrator
Registered: 2005-06-28
Posts: 27,323

Re: Oral puzzles

Hi,

.

#4438. The average marks of a student in seven subjects is 41. After re-valuation in one subject, the marks were changed to 42 from 14 and in remaining subjects, the marks remain unchanged. What is the new average marks?


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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