on what sum will the interest for 3 years at 4% per annum amount to rupees 300
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given , P+I= 300
I = PNR /100
therefore , P + PNR /100 =300
P ( 1+ NR/100) = 300
N = 3
R=4
therefore , P ( 1+ 3 × 4/100) = 300
P ( 1+ 3/25) = 300
P ( 28/25) = 300
P = 300 × 25 / 28
P = 75 × 25 /7
P = 267.85 (268 approx)
or ----------------------------------------
A = P[1+R/100]^N
300 = P[1+4/100]^3
300 = P (26/25)^3
P = 300 ×25 ×25×25 /26×26×26
P =266.69 = 267 (approx)
I = PNR /100
therefore , P + PNR /100 =300
P ( 1+ NR/100) = 300
N = 3
R=4
therefore , P ( 1+ 3 × 4/100) = 300
P ( 1+ 3/25) = 300
P ( 28/25) = 300
P = 300 × 25 / 28
P = 75 × 25 /7
P = 267.85 (268 approx)
or ----------------------------------------
A = P[1+R/100]^N
300 = P[1+4/100]^3
300 = P (26/25)^3
P = 300 ×25 ×25×25 /26×26×26
P =266.69 = 267 (approx)
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