Friday, October 26, 2007

DISCOUNTS

DISCOUNTS

1.
[Gain = x-d-(x*d/100)]

		x  ----->  Extra percentage added to C.P to fix 
M.P

d -----> Discount offered on M.P

g -----> Gain% obtained

2.
[Discount = M.P-S.P]


3.
[d% = [ (M.P-S.P)/100] * 100 ]


4.
[Discount = M.P * (d%/100)]


5.Successive Discounts,

[ D = (d1+d2)-(d1.d2)/100]


6.
[ (C.P/M.P) = (100-d)/(100+g)]


7.
[M.P=(S.P2-S.P1)/(d2-d1) * 100]


8.
[S.P=M.P * (100-d)/100]


9.
[S.P = M.P * [ (100-d1)/100 ] * [ (100-d2)/100 ] ]


10.Difference of discounts =
[M.P * [ d1.d2/(100*100) ] ]


11.
[ [ (100-d1)/(100-d2) ] = [ (100+g1)/(100+g2) ] ]


12.
Number of shirts = [ Total Discount/Discount on each shirt ]


13.
[g% = [ (S.P-C.P)/C.P * 100 ] = [ (gain/C.P) * 100 ] ]


14.
[C.P = (g/g%) * 100 ]


15.
[S.P = (g/g%) * (100+g) ]


16.
[C.P = [S.P/(100+g)] * 100 ]


17.
[M.P = [C.P/(100-d)] * 100 ]


18.
G = [ (G1+G2)+(G1.G2)/100]


19.
[(100-d)(100+g * M.P ] = [S.P * (100)2]
	Þ	
[(S.P/M.P) = [ (100-d) * (100+g) ]/(100)2 ]


1 comment:

mona said...

hi plz gav a shorcut for problem on train and time and distance