Math Is Fun Forum
You are not logged in.
- Topics: Active | Unanswered
#8876 2021-02-02 15:17:20
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,385
Re: 10 second questions
Hi,
Excellent!
#7903. Simpson invested a sum of $15,000 at 9% per annum simple interest and $12,000 at 8% per annum compound interest compounded annually for a period of two years. What amount of interest did Simpson earn in 2 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.
Offline
#8877 2021-02-03 03:14:34
- irspow
- Member
- Registered: 2005-11-24
- Posts: 1,055
Re: 10 second questions
I am at an age where I have forgotten more than I remember, but I still pretend to know it all.
Offline
#8878 2021-02-03 15:31:39
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,385
Re: 10 second questions
Hi,
Excellent!
#7904. If I have to pay $4900 in 5 months from now, then what amount should I pay totay if the rate of simple interest is 5% per annum?
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
#8879 2021-02-04 05:34:51
- irspow
- Member
- Registered: 2005-11-24
- Posts: 1,055
Re: 10 second questions
I am at an age where I have forgotten more than I remember, but I still pretend to know it all.
Offline
#8880 2021-02-04 15:59:15
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,385
Re: 10 second questions
Hi,
Neat work!
#7905. Find the amount paid by a borrower after 6 years, if he had borrowed $6000 at 15% per annum simple interest.
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
#8881 2021-02-05 04:09:40
- irspow
- Member
- Registered: 2005-11-24
- Posts: 1,055
Re: 10 second questions
I am at an age where I have forgotten more than I remember, but I still pretend to know it all.
Offline
#8882 2021-02-05 15:25:10
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,385
Re: 10 second questions
Hi,
Good work!
#7906. Find the compound interest on $12000 at 10% per annum for 5 years (compounded annually).
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
#8883 2021-02-07 03:18:34
- irspow
- Member
- Registered: 2005-11-24
- Posts: 1,055
Re: 10 second questions
I am at an age where I have forgotten more than I remember, but I still pretend to know it all.
Offline
#8884 2021-02-07 15:53:29
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,385
Re: 10 second questions
Hi,
Excellent!
#7907. Find the difference between compound interest and simple interest on $16,000 for one year reckoned half-yearly.
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
#8885 2021-02-08 05:20:36
- irspow
- Member
- Registered: 2005-11-24
- Posts: 1,055
Re: 10 second questions
I am at an age where I have forgotten more than I remember, but I still pretend to know it all.
Offline
#8886 2021-02-08 14:59:33
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,385
Re: 10 second questions
Hi,
Corrigendum : #7907. Find the difference between compound interest and simple interest on $16,000 for one year at 10% per annum reckoned half-yearly.
(Sorry for the inconvenience).
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
#8887 2021-02-09 03:41:23
- irspow
- Member
- Registered: 2005-11-24
- Posts: 1,055
Re: 10 second questions
I am at an age where I have forgotten more than I remember, but I still pretend to know it all.
Offline
#8888 2021-02-09 15:52:36
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,385
Re: 10 second questions
Hi,
Neat work!
#7908. Find the amount payable after 3 years if a sum of $15000 is deposited in a bank at the rate of 12% per annum, compounded half-yearly (to the nearest Dollar).
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
#8889 2021-02-10 04:06:49
- irspow
- Member
- Registered: 2005-11-24
- Posts: 1,055
Re: 10 second questions
I am at an age where I have forgotten more than I remember, but I still pretend to know it all.
Offline
#8890 2021-02-10 15:43:36
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,385
Re: 10 second questions
Hi,
Excellent!
#7909. If the interest paid by Sally on $14,000 is $1,260 for a period of three years, then find the rate of simple interest charged.
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
#8891 2021-02-11 04:21:40
- irspow
- Member
- Registered: 2005-11-24
- Posts: 1,055
Re: 10 second questions
I am at an age where I have forgotten more than I remember, but I still pretend to know it all.
Offline
#8892 2021-02-11 15:14:24
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,385
Re: 10 second questions
Hi,
Good work!
#7910. Find the Principal which will give $29,700 as simple interest at the rate of 9% per annum in 5 years 6 months.
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
#8893 2021-02-12 03:32:26
- irspow
- Member
- Registered: 2005-11-24
- Posts: 1,055
Re: 10 second questions
I am at an age where I have forgotten more than I remember, but I still pretend to know it all.
Offline
#8894 2021-02-12 15:28:45
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,385
Re: 10 second questions
Hi,
Neat work!
#7911. A sum of money becomes 6 times in 20 years at r% per annum Simple Interest. Find the value of r.
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
#8895 2021-02-13 03:55:52
- irspow
- Member
- Registered: 2005-11-24
- Posts: 1,055
Re: 10 second questions
I am at an age where I have forgotten more than I remember, but I still pretend to know it all.
Offline
#8896 2021-02-13 15:45:03
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,385
Re: 10 second questions
Hi,
Neat work!
#7912. Find the amount payable after one year, it a loan of $2500 is taken 24% per annum simple interest charged quarterly.
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
#8897 2021-02-14 05:05:11
- irspow
- Member
- Registered: 2005-11-24
- Posts: 1,055
Re: 10 second questions
I am at an age where I have forgotten more than I remember, but I still pretend to know it all.
Offline
#8898 2021-02-14 15:37:41
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,385
Re: 10 second questions
Hi,
Smart work!
#7913. An amount of loan is discharged by paying 3 equal instalments of $9,261 each. If the rate of interest charged was 20% per annum compounded quarterly, then find the amount of loan borrowed.
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
#8899 2021-02-15 04:06:26
- irspow
- Member
- Registered: 2005-11-24
- Posts: 1,055
Re: 10 second questions
I am at an age where I have forgotten more than I remember, but I still pretend to know it all.
Offline
#8900 2021-02-15 15:36:53
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,385
Re: 10 second questions
Hi,
#7914. The compound interest on a sum of money for 2 years is $2750 and that for three years is $4550. Find the rate of interest.
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