TK. 800 becomes TK. 956 in 3 years at a certain rate of simple interest. If the rate of interest is increased by 4%, what amount will TK. 800 become in 3 years ?
Created: 9 months ago | Updated: 2 months ago
Job Solution Bangladesh Bank Bangladesh Bank - Assistant Director - 2016 গণিত
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Correct option is C)

(c) Principal =tk.800, Amount =tk.956
⇒S.I.=tk.956−tk.800=tk.156
Time =3 years ∴Rate%p.a.=800×3156×100​=6.5.
Now, Principal =Rs.800,Rate%p.a.=10.5, Time =3 years
∴ Amount =tk.800+tk.(800×10.5×3​​/100)
=tk.800+Rs.252=tk.1052.

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