Question

8. If the rate of interest is reduced from 5% p.a. to (3)1/2% p.a., find the decrease in a half-year's interest
on 540.​

Answer 1

Given :-

If the rate of interest is reduced from 5% p.a. to (3)1/2% p.a., find the decrease in a half-year's interest on 540.

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Interst on 5% :-

$\frac{540 \times \frac{1}{2} \times 5}{100}$

= 13 • 50

Intrest on :-

$3\frac{1}{2} \% =$

$\frac{540 \times \frac{1}{2} \times \frac{7}{2} }{100}$

= 9•45

Decrease = 13 • 50 - 9•45 = 4•05

Hence, The Answer is ₹4•05 Rs: ( Rupees )

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