Find Rate, when Principal =Rs.3000; Interest = Rs.400; Time = 3 years.
Find Time when, Principal = Rs.1500; Interest = Rs.450; Rate = 5% p.a
Find Principal when Time = 3 years, Interest = Rs.600; Rate = 4% p.a.
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Answer:
1) SI = PTR/ 100
400= 3000× 3× R /100
400= 90 R
R = 400/90= 40/9 %
2) SI = PTR / 100
450= 1500×T× 5/100
450= 75 T
T =450/754 = 6 years
3) SI = PTR /100
600 = P×3×4/100
600×100/12 =P
5000rupess=P
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