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Compound Interest Practice Test 3
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© examsnet.com
Question : 10
Total: 40
A bank offers 5% compound interest calculated on half-yearly basis. A customer deposits Rs. 1600 each on 1st January and 1st July of a year. At the end of the year, the amount he would have gained by the way of interest is:
Rs. 123
Rs. 122
Rs. 121
Rs. 120
Validate
Solution:
Total amount
=
1600
(
1
+
5
2
×
100
)
2
+
1600
(
1
+
5
2
×
100
)
=
1600
×
1681
1600
+
1600
×
41
40
= 1681 + 1640 = Rs. 3321
Hence, required interest = 3321 – 3200 = Rs. 121
© examsnet.com
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