A certain sum of money amounts to rs 2500
Asked by admin @ in Accountancy viewed by 434 People
Certain sum of money an amounts to rs 2500 in a span of 5 years and further to rs.3000 in a span of 7 years at simple interest the sum is
Asked by admin @ in Accountancy viewed by 434 People
Certain sum of money an amounts to rs 2500 in a span of 5 years and further to rs.3000 in a span of 7 years at simple interest the sum is
Answered by admin @
Answer:
let sum = P
let rate = R %
P+5PR/100 = 2500
100P+5PR = 250000
20P+PR = 50000 -----------------------(1)
similarly,
P+7PR/100 = 3000
100P + 7PR = 300000 -------------------(2)
solving both equation now ,
[ multiply equation (1) by 7 and subtracting (2) ]
140P + 7PR = 350000
100P +7PR = 300000
------------------------------
40P = 50000
[ mark as brainlist if you understand ]
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