Question

Principal- rupee 5200, SI- rupee 975, time- 5/2 years. find rate. ​

Answer 1

Answer:

The rate is 7.5%.

Step-by-step explanation:

Given : Principal P= Rs.5200, simple interest SI= Rs.975 and time T=\frac{5}{2}T=

2

5

year.

To find : The rate ?

Solution :

Applying simple interest formula,

SI=\frac{P\times R\times T}{100}SI=

100

P×R×T

Substitute the values given,

975=\frac{5200\times R\times \frac{5}{2}}{100}975=

100

5200×R×

2

5

97500=5200\times R\times \frac{5}{2}97500=5200×R×

2

5

R=\frac{97500\times 2}{5200\times 5}R=

5200×5

97500×2

R=7.5\%R=7.5%

Therefore, the rate is 7.5%.

Step-by-step explanation:

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Answer 2

Answer:

The Rate is 7.5%

Step-by-step explanation:

S.I.=P×R×T

975=5200×R×5/2

R=975×2 / 5×5200

R=1990/5×5200

R=7.5%