Q3) A man deposit Rs 3200 at 5 % interest per annum. In how many years will he earn a simple interest of Rs 800 ?
Answers
Answered by
3
Answer:
Given, First man: P= Rs. 6000,r=5%,n=2, Second man : P= Rs. 5000,r=8%,n=2
First man's S.I.=
100
6000×5×2
= Rs. 600
Second man's C.I.=5000[(1+
100
8
)
2
−1]
=5000[(
25
27
)
2
−1]
=5000[
625
729−625
]
=
625
5000×104
= Rs. 832
∴ Difference in interests = Rs. 832− Rs. 600= Rs. 232
Answered by
3
Answer:
2years 6months because per annum he get 160rs so per year 320 rs so per 2years 640 per 2 years 6 he get 800rs
answer is 2 years 6 months i think
or 5 years
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