Ravi borrowed ₹8000 from his friend and after two years he returned ₹10,000 to his friend. Find the simple interest and rate of interest.
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Answer:
A= P[1+nr/100]
10000=8000[1+2r/100]
10000/8000= 1+0.02r
1.25-1= 0.02r
0.25/0.02=r
12.5%= rate of interest
simpal interest is
1000-8000=2000
Step-by-step explanation:
another method is ...
simple interest =
10000-8000=2000
simple interest=PTR/100
2000=8000×2×R/100
2000×100/8000×2=R
200000/16000=R
12.5%=R
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