Question

Pradnya invested Rs.50000 for 8 years by simple interest. She got Rs.60,000 after 8 years,

then calculate twice rate of interest​

Answer 1

Answer:

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Answer 2

Answer:

R= 2 1/2%

Step-by-step explanation:

Principal=P= Rs. 50,000

rate of interest= R

time = 8 years

amount= A= Rs 60,000

SI= 60,000-50,000=10,000

SI = PTR/100

10000= 50000×8×R/100

R= 10000/(500×8)

=20/8= 2 1/2

R= 2 1/2%

TWICE RATE OF INTEREST= 2×2 1/2= 5%