Question

a sum of money invested at 8% per annum for simple interest amount 2 rupees 12122 in 2 years what will it amount to in 2 year 8 months at 9% rate of interest

Answer 1

p+( prt/100 ) = 12122
p + 16p /100 = 12122
116p/100. = 12122
116 p. = 1212200
p. = 1212200/116= 10450

now principal amount is 10450

new rate r = 9
time t= 2+2/3 year= 8/3 years

si = prt/100 = 10450*9*8/300 = 2508
total amount = 10450+ 2508 = 12958

Answer 2

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