Question

What sum of money lent out at simple interest at 4½per cent per annum for 3 years will produce the same interest as Rs.450 lent at 3 per cent per annum for 2½ years​

Answer 1

Answer:

250 rupees

Step-by-step explanation:

S.I.

Rate= 4 ½ %

time= 3years

Let the principal be x

S.I. =(p*r*t)/100

S.I.2

principal= 450

rate =3%

time= 2½ years

S.I.2= p*r*t/100

According to the question:

S.I.=S.I.2

(x×4½×3)/100= (450×3×2½)/100

250 rupees Answer