Find Simple interest based question
When Borrowed some money from other for the personal or commercial perpose we pay some additional money to him after a certain period of time is called Interest. So we can also called this Interest as Simple Interest.So we can find the simple interest on principle using some formula.
Find Simple interest using formula
Formula : S.I = (P X R X T / 100)
Example 1: Find the Simple Interest on Rs. 75000 at 4% per annum for 4 years.
Solution:
we know principle
P = Rs. 75000
R% = 4 per annum
T year = 4 years.
we just put the value into formula.
P = Rs. 75000, R = 4% p.a ( per annum ) T = 4 years.
S.I = ( P X R X T / 100 ) = 75000 X 4 X 4 /100 = 12000.
So the S.I is 12000.
Example 2: Find the Simple Interest on Rs. 40000 at 25 / 4 % per annum for the period from 4th january, 2013 to 18th march, 2013.
Solution:
Step 1: First we calculate the period of time taken that is = January = (31 - 4) = 27 days, February = 28 days, March = 18 day. Add all together ( 27 + 28 + 18 ) = 73 / 365 year = 1 / 5 years.
Step 2: we know Principle P = 40000, and R = 25 / 4 % p.a.
Step 3: S.I = Rs. ( 40000 X 25 X 1 X 1 / 4 X 100 X 5 ) = Rs. 500
So the S.I is 500.
Example 3:
What will be the Ration of the Simple interest earned by certain amount at the same rate of lnterest for 5 years and 7 years ?
Answer :
step 1: Let Principle P and Rate of interest be R %.
So Required interest of 5 years is S.I = PRT / 100 = P x R x 5 / 100 = 5PR / 100.
Required interest of 7 years is S.I = PRT / 100 = P x R x 7 / 100 = 7PR / 100.
Step 2: Required ration is = 5PR / 7PR = 5 / 7 = 5 : 7.
So Required Ration is 5 : 7.
Example 4:
On amount of 7530 at the rate of 18 p.c.p.a for 6 years What will be the simple interest ?
Answer :
S.I = PRT / 100
S.I = 7530 x 18 x 6 / 100
S.I = 8132.40
So the simple interest is 8132.40
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When Borrowed some money from other for the personal or commercial perpose we pay some additional money to him after a certain period of time is called Interest. So we can also called this Interest as Simple Interest.So we can find the simple interest on principle using some formula.
Find Simple interest using formula
Formula : S.I = (P X R X T / 100)
Example 1: Find the Simple Interest on Rs. 75000 at 4% per annum for 4 years.
Solution:
we know principle
P = Rs. 75000
R% = 4 per annum
T year = 4 years.
we just put the value into formula.
P = Rs. 75000, R = 4% p.a ( per annum ) T = 4 years.
S.I = ( P X R X T / 100 ) = 75000 X 4 X 4 /100 = 12000.
So the S.I is 12000.
Example 2: Find the Simple Interest on Rs. 40000 at 25 / 4 % per annum for the period from 4th january, 2013 to 18th march, 2013.
Solution:
Step 1: First we calculate the period of time taken that is = January = (31 - 4) = 27 days, February = 28 days, March = 18 day. Add all together ( 27 + 28 + 18 ) = 73 / 365 year = 1 / 5 years.
Step 2: we know Principle P = 40000, and R = 25 / 4 % p.a.
Step 3: S.I = Rs. ( 40000 X 25 X 1 X 1 / 4 X 100 X 5 ) = Rs. 500
So the S.I is 500.
Example 3:
What will be the Ration of the Simple interest earned by certain amount at the same rate of lnterest for 5 years and 7 years ?
Answer :
step 1: Let Principle P and Rate of interest be R %.
So Required interest of 5 years is S.I = PRT / 100 = P x R x 5 / 100 = 5PR / 100.
Required interest of 7 years is S.I = PRT / 100 = P x R x 7 / 100 = 7PR / 100.
Step 2: Required ration is = 5PR / 7PR = 5 / 7 = 5 : 7.
So Required Ration is 5 : 7.
Example 4:
On amount of 7530 at the rate of 18 p.c.p.a for 6 years What will be the simple interest ?
Answer :
S.I = PRT / 100
S.I = 7530 x 18 x 6 / 100
S.I = 8132.40
So the simple interest is 8132.40
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We provide few shortcut tricks on this topic. Please visit this page to get updates on more Math Shortcut Tricks. You can also like our facebook page to get updates.
If You Have any question regarding this topic then please do comment on below section. You can also send us message on facebook.
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