Time from 5 a.m. on 4th day = 89 hours.

Now 23 hrs 44 min. of this clock = 24 hours of correct clock.

`:. 356/15` hrs of this clock = 24 hours of correct clock.

89 hrs of this clock` = (24 xx 15/356 xx 89)` hrs hours of correct clock.

   = 90 hrs of correct clock.

So, the correct time is 11 p.m.

Time from 8 a.m. on a day to 1 p.m. on the following day = 29 hrs.

24 hours 10 min.of this clock = 24 hours of the correct clock.

`145/6` hrs of this clock = 24 hrs of the correct clock

29 hrs of this clock` = (24 xx 6/145 xx 29)` hrs of the correct clock

   = 28 hrs 48 min of correct clock

:. The correct time is 28 hrs 48 min. after 8 a.m.

This is 48 min. past 12.

Cash required to purchase Rs. 100 stock

` = Rs.(107 + 1/2) = Rs.215/2.`

 Cash required to purchase Rs. 3200 stock

 ` = Rs. (215/2 xx 1/100 xx 3200)`

  `= Rs. 3440.`

By selling Rs. 100 stock, cash realised 

`= Rs. [(100 - 4) - 1/4]`

`= Rs. 383/4`

 By selling Rs. 2400 stock, cash realised

` = Rs.(383/4 xx 1/100 xx 2400)`

 =Rs. 2298.

Income from Rs.100 stock = Rs. 8

Income from Rs. 2500 stock

` = Rs. (8/100 xx 2500)`

   `= Rs.200.`