Question

How much investment is required to yield an annual income of RS. 210 at 7% per annum simple interest?

Answer 1

$Let \: the \: investment\: required = Rs \: P ,\\Rate \:of \: interest (R) = 7\%, \\Simple\: Interest (I) = Rs\:210 ,\\Time (T) = 1\: year$

$\boxed { \pink { P = \frac{ 100\times I}{TR}}}$

$P = \frac{ 100\times 210}{1 \times 7} \\= Rs \:3000$

Therefore.,

$\red { Investment \: required } \green { = Rs\:3000}$

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