A sum invested on simple interest grows to Rs 22500/- and Rs
25500/- is seven and nine years respectively. What is the rate percentage of
the interest?
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28
Answer:
12.5
Step-by-step explanation:
total interest of 2 years=25500-22500=3000
interest for one year= 3000/2 =1500
total interest = 9*1500=13500
principle= 25500-13500=12000
r= i×100/p×t
r=13500*100/1200*9 =12.5
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