According to ques,,
Investment
\[=\text{ }Rs.\text{ }4500\]
Face value of each share
\[~=\text{ }Rs.\text{ }100\]
Discount
= 10% and rate of dividend
\[=\text{ }7.5%\]
The market price of each share
\[=\text{ }Rs.\text{ }\left( 100\text{ }\text{ }25 \right)\]
\[=\text{ }Rs.\text{ }75\]
(i) The number of shares he purchases
\[=\text{ }4500/75\text{ }=\text{ }60\]
(ii) Dividend
\[=\text{ }Rs.\text{ }7.5%\text{ }of\text{ }\left( 60\text{ }x\text{ }100 \right)\]
\[=\text{ }Rs.\text{ }450\]
Hence, his annual income will be:
\[~Rs.\text{ }450.\]