Math, asked by anantjindal4pao10j, 1 year ago

FIND THE TIME WHEN PRINCIPAL IS RUPPESS 640 , RATE IS 12.5 PERCENT PER ANNUM AND SIMPLE INTEREST IS RUPPESS 40

Answers

Answered by rakshit9269
0
si=prt/100
40=640×12.5×t/100
4000/640=125/10t
25/4=25/2×t
1/4=1/2t
t=2/4
t=1/2yrs
Answered by ingle0155
0

formula=p*r*n*/100


si=40


let,

si=p*r*n/100

40=640*12.5*n/100

40*100=8000*n

4000/8000*n

1/2=n

Number of years=1/2 year

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