Aptitude - Compound Interest - Discussion
Discussion Forum : Compound Interest - General Questions (Q.No. 13)
13.
The difference between simple interest and compound on Rs. 1200 for one year at 10% per annum reckoned half-yearly is:
Answer: Option
Explanation:
S.I. = Rs | ![]() |
1200 x 10 x 1 | ![]() |
= Rs. 120. |
100 |
C.I. = Rs. | ![]() |
1200 x | ![]() |
1 + | 5 | ![]() |
2 | - 1200 | ![]() |
= Rs. 123. |
100 |
Difference = Rs. (123 - 120) = Rs. 3.
Discussion:
53 comments Page 2 of 6.
Naina said:
6 years ago
Because as r=10% for 1 yr so for the half year it would be 5%=5/100.
Ami said:
6 years ago
Why 5/100? Please explain that.
Ravi Sharma said:
7 years ago
Solve this problem using this direct formula of (diff. b/w S.I & C.I).
15000*(5/100)*(5/100) = 3 Ans.
15000*(5/100)*(5/100) = 3 Ans.
Rohit said:
7 years ago
It is mentioned in the question SI-CI so they have just subtracted.
Name said:
7 years ago
Can anyone explain me the Last step?
Name said:
7 years ago
Can anyone explain me the Last step?
Simte said:
8 years ago
Can you give me the formulae to find out rate percent in compound interests?
Sanchali said:
8 years ago
Your answer is not clear to me, can you please explain briefly? @Nitish Reddy.
Nitish reddy said:
8 years ago
Here we are taking for only single half year so, n=1 then 2n=2*1=2.
Shruti said:
8 years ago
Why we have raised the power to 2 in calculating CI?
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