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On what principal will the simple interest be Rs. 7,008 in 6 years 3 months at 5% per year? - Mathematics

Sum

On what principal will the simple interest be Rs. 7,008 in 6 years 3 months at 5% per year?

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Solution

Let Principal = Rs. P

Time (T) = 6 years 3 months = 6 year +`3/12`

year `=75/12=25/4` year =`6 1/4` years

Rate (R) = 5%

Simple interest =`("P"xx"T"xx"R")/100`

`⇒7,008=("P"xx25/4xx5)/100`

`⇒"P"=(7008xx100xx4)/(25xx5)`

`=(7008xx16)/5=112128/5`

= Rs. 22425.60

Concept: Concept of Principal, Interest, Amount, and Simple Interest
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APPEARS IN

Selina Concise Mathematics Class 8 ICSE
Chapter 9 Interest
Exercise 9 (A) | Q 4 | Page 106
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