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Maths Puzzle
Which is better investment? 7(1/2) % stock at 105 or 6(1/2) % at 94.
Read Solution (Total 3)
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- Let the investment in each case be Rs. (105*94).
Case I : 7(1/2) 5 stock at 105:
On investing Rs. 105, income = Rs. (15/2).
On investing Rs. (105*94), income = Rs. [(15/2)*(1/105)*105*94] = Rs 705.
Case II : 6(1/2) % stock at 94:
On investing Rs. 94, income = Rs. (13/2).
On investing Rs. (105*94), income = Rs. [(13/2)*(1/94)*105*94] = Rs. 682.5.
Clearly, the income from 7(1/2) % stock at 105 is more.
Hence, the investment in 7(1/2) % stock at 105 is better.
- 12 years agoHelpfull: Yes(3) No(1)
- Good observation by Vignesh.
- 12 years agoHelpfull: Yes(1) No(0)
- 7(1/2)% stock t 105 is the better isvestment
- 11 years agoHelpfull: Yes(0) No(0)
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