TC is increasing in [ . ] ∪ [ , ∞ ) and decreasing in [ , ] . x = , TC is minimum . FINANCIAL MATHEMATICS Exercise .
` , , . ` , . ` , - - Answers Exercise . .
` , . ` , . shares .(i) (ii) ` (iii) % .(i) ` , (ii) ` (iii) . % .
` . . ` , ` . shares .(i) ` (ii) ` 2nd investment is better.
.(i) (ii) . For the same investment both stocks fetch the same income. Therefore they are equivalent shares. Exercise .
(a) (b) (c) (c) (d) (c) (a) (b) (a) (b) (b) (b) (a) (a) (b) Miscellaneous Problems . ` , . ` , . ` , ; ` , , ; ` , ; ` , , .
. Required months ≈ . ` , . ` , ; ` , .
; Machine B may be purchased . , , , . ` , ` , ` , . % .
, shares, ` . % . DESCRIPTIVE STATISTICS AND PROBABILITY Exercise . .
AM = , GM = . , HM = . . Q = , Q = , Q D = , Coefficient of QD = .
. QD = . , Coefficient of QD = . .
Median = , MD = . . Mean = , MD = . .