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24-11-2020
Mathematics

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if a sum of money amount to 15000 in 5 years and to 18000 in 7 year then find the principal and the rate of interest also find the amount at the end of 25th year

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yassin78 yassin78

24-11-2020

ANSWER
P= Rs. 15000; R=10% p.a =5% per half-year; T=1 year =2 half-years.
∴ Amount =[15000×(1+
100
5

)
2
]
= Rs. (15000×
20
21

×
20
21

)
=16,537.50

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