1.

The rates of simple interest in two banks. A and B are in the ratio 5 : 4. A person wants to deposit his total savings in two banks in such a way that he received equal half-yearly interest from both. He should deposit the saving in banks A and B in the ratio.1). 2 : 52). 4 : 53). 5 : 24). 5 : 4

Answer»

Let the savings in the banks A and B be X and y respectively

∴ According to the given CONDITIONS,

⇒ (x × 0.5 × r1) = (y × 0.5 × r2)

$(\therefore \FRAC{x}{y} = \frac{{r2}}{{r1}} = \frac{4}{5})$

∴ The PERSON should invest amounts in the ratio of 4 ? 5 in the banks A and B respectively


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