English, asked by priyanjaligautam28, 7 months ago

find the rate of interest when Rs.800 fetches Rs.130 as simple interest in 2 years 6 months

Answers

Answered by 8472

7

Answer:

Principal=800

time= two and half years

Si=130

Si=prt/100

130=800*r*2/100*2

130=1600r/200

130=8r

130/8=r

r=16.25

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