Question

At what rate percent will a sum of rupees 400 amount to rupees 520 in 5 years

Answer 1

Step-by-step explanation:

Principal = 400

Rate of interest = r

Time = 5

Amount =

$\frac{prt}{100}$

520 = 4r x 5

520÷5 =4r

104=4r

104÷4 = r

26 = r

Answer 2

Answer:

Plz refer attachment

And I think it is correct bcz it is in my book also. So, my teacher has taught this to me.

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