12) The difference in CI and SI for 2 years on a,
sum of money is 250 .If the
sum is 6220, then find the rate percent
.
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0
Answer:
When the difference between C.I and S.I given then Sum=difference(
r
100
)
2
Given difference=144 Rs
Rate of interest =15 %
Sum=144×(
15
100
)
2
Sum=144×
225
10000
=6400Rs.
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