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#8651 2020-02-16 00:50:21

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

Re: 10 second questions

Hi,

#7710. If

then find the value of


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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#8652 2020-02-18 00:40:50

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

Re: 10 second questions

Hi,

#7711.27 pens are divided among Amy, Ursula, and Gia such that the ratio of pens with Amy and Ursula is 1:2 and that with Ursula and Gia is 4:3. How many pens did Amy get?


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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#8653 2020-02-20 00:24:04

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

Re: 10 second questions

Hi,

#7712. A certain amount of money was divided between Sam and Ben in the ratio 2:3. If Sam's share is $2400, find Ben's share.


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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#8654 2020-02-21 04:02:09

math9maniac
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From: Tema
Registered: 2015-03-30
Posts: 443

Re: 10 second questions


Only a friend tells you your face is dirty.

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#8655 2020-02-21 04:13:34

math9maniac
Member
From: Tema
Registered: 2015-03-30
Posts: 443

Re: 10 second questions

ganesh wrote:

Hi,

Solution #7708
Good attempt, math9maniac!

Dear ganesh,

Thanks for sharing your solution. I think the answer can be 1536 if each of the remaining 6 spent 4 more than the average. Since, the question didn't indicate anything about each, I worked it as the combined 6/. The question stated "13 of them spent $79 each on their dinner and the rest spent $4 more than the average expenditure of all the 19." The 'each' clause was only stated for the 13, but 'the rest [6 pf them] spent $4 more than the ...

I would love your feedback on this. Many thanks


Only a friend tells you your face is dirty.

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#8656 2020-02-21 16:20:56

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

Re: 10 second questions

Hi math9maniac,

Your interpretation #7708 is beyond my comprehension.

Solution #7712 is correct. Neat work!

#7713. If 45% of a number is added to another number, the first number becomes 1.35 times of the other number. What is the ratio of these two 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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#8657 2020-02-23 00:22:11

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

Re: 10 second questions

Hi,

#7714. The first, second, and fourth term of a proportion are 3, 17, and 51. Find the third 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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#8658 2020-02-25 00:32:26

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

Re: 10 second questions

Hi,

#7715. Given 9, m, m, 36 are in proportion. Find the value of m.


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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#8659 2020-02-27 00:21:35

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

Re: 10 second questions

Hi,

#7716. The ratio of the number of males to females in a town is 10:9. If the number of females is 8181, find the total population of the town.


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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#8660 2020-02-29 01:09:48

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

Re: 10 second questions

Hi,

#7717. Find the mean proportion of 0.02 and 0.32.


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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#8661 2020-03-01 00:12:25

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

Re: 10 second questions

Hi,

#7718. Find the mean proportion between the numbers 8 and 18.


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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#8662 2020-03-03 00:07:20

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

Re: 10 second questions

Hi,

#7719. 150 kilograms of rice last for 30 days for 6 soldiers. If 4 more soldiers join the group, then the amount of rice would last for how many days?


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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#8663 2020-03-03 01:33:37

math9maniac
Member
From: Tema
Registered: 2015-03-30
Posts: 443

Re: 10 second questions


Only a friend tells you your face is dirty.

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#8664 2020-03-03 02:37:03

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

Re: 10 second questions

Hi,

Neat work, math9maniac!

#7720. A typist types 100 pages in 3 working daysh hours a day. How many hours a day would she have to work in order to complete the work in 2 days?


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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#8665 2020-03-05 00:26:17

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

Re: 10 second questions

Hi,

#7721. If 15 men can do a piece of work in 24 days, in how many days would 12 men do the same work?


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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#8666 2020-03-07 00:20:14

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

Re: 10 second questions

Hi,

#7722. If 100 laborers can build a wall in 6 days then how many more labors are required to build the same wall in 4 days?


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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#8667 2020-03-09 00:25:53

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

Re: 10 second questions

Hi,

#7723. If 11 typists type 220 pages in 10 days, then how many pages would 12 typists type in 20 days?


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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#8668 2020-03-11 00:13:13

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

Re: 10 second questions

Hi,

#7724. A stock of food grains would last for 24 weeks for a group of 250 soldiers. If at the end of 15 weeks, 200 new soldiers join the group. How long the remaining stock of food grains last for?


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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#8669 2020-03-13 00:38:28

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

Re: 10 second questions

Hi,

#7725. The ratio of age of A and B is 4:3. Four years ago, the ratio was 10:7. Find the present age of A and B respectively.


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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#8670 2020-03-15 00:38:40

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

Re: 10 second questions

Hi,

#7726. The ratio of age of A and his father is 1:7. The difference between their ages is 30 years. What would be the ratio 10 years later?


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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#8671 2020-03-17 00:35:52

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

Re: 10 second questions

Hi,

#7727. Alan is twice as old as Simon. Five years ago, Alan was thrice as old as Simon. Find the present age of Simon.


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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#8672 2020-03-19 00:05:44

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

Re: 10 second questions

Hi,

#7728. The age of father is three times the age of his son at present. Four years hence, the ratio of the father and son becomes 13:5 respectively. What is the present age of the father?


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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#8673 2020-03-21 00:23:37

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

Re: 10 second questions

Hi,

#7729. One year ago, the ratio of Yamuna's and Ganga's ages was 6:7 respectively. Four years hence, this ratio would become 7:8. How old is Ganga now?


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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#8674 2020-03-23 00:13:03

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

Re: 10 second questions

Hi,

#7730. The age of Aaron and Albert is in the ratio 11:13 respectively. After 7 years, the ratio of their aes will be 20:23. What is the difference in years between their ages?


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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#8675 2020-03-25 00:37:43

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

Re: 10 second questions

Hi,

#7731. The ratio of the age of Roger and Martin is 4:5 and that of Martin and Andrew is 5:6. If sum of their age be 90 years, how old is Martin?


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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