Question

find the modulus and the argument of the following complex number 3 - 3 i

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Answer 1

$\huge \fbox \red{ᎪŇSᎳᎬᏒ}$

CP=1200.

To gain 12%, SP=(112/100)*1200=1344.

Now, Marked/Listed price has to set X as to receive a overall profit of 12%, after giving 16% discount.

100–16=88%.

(88/100)*x=1344 | X=1600rs.

To be remembered:

Discount on marked price, gives SP.

Profit/loss is calculated on CP.