The difference between two-year cycle and simple interest at the rate of eight per cent is Rs. 768
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Answer:
7th
Maths
Comparing Quantities
Simple Interest
The difference between comp...
MATHS
The difference between compound interest and simple interest on a sum for 2 years at 8% p.a is Rs. 768 . The sum is
MEDIUM
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ANSWER
Let the sum be Rs. 100.
Then S.I. = Rs
100
100×2×8
= Rs. 16
C.I. = Rs. 100[(1+
100
8
)
2
−1]
= Rs. 100[(
25
27
)
2
−1] = Rs. 100×[
625
729−625
]
= Rs. (
625
100×104
)= Rs. 16.64
∴ Difference = Rs. 0.64, If the difference between C.I. and S.I. is Rs. 0.64, Sum = Rs. 100
If the difference is Rs. 768 sum = Rs. Rs. (
0.64
100
×768)= Rs. 120000
Step-by-step explanation:
So this is the answer hope it helps...
Step-by-step explanation:
Let the sum be Rs. 100.
Then S.I. = Rs
100
100×2×8
= Rs. 16
C.I. = Rs. 100[(1+
100
8
)
2
−1]
= Rs. 100[(
25
27
)
2
−1] = Rs. 100×[
625
729−625
]
= Rs. (
625
100×104
)= Rs. 16.64
∴ Difference = Rs. 0.64, If the difference between C.I. and S.I. is Rs. 0.64, Sum = Rs. 100
If the difference is Rs. 768 sum = Rs. Rs. (
0.64
100
×768)= Rs. 120000