Ans. 7 33,600
5. A bank clerk by mistake calculated the interest on a certain principal for 6 months at 10% pe
annum instead of for 5 months at 13% per annum. He thus, made an error of 80 paise only
What was the principal?
Ans. 192
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Answered by
6
Answer:
ANSWER
Actual SI=
100
P×5.5×6
=
100
33p
0.33p
Calculated SI=
100
P×5×6.5
100
32.5p
=0.325p
Error in calculation=Rs.25.40=0.33p−0325p
⟹p=5080
Hence, original sum of principle=Rs.5,080
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