In what ratio should water be mixed with soda costing Rs. 12 per litre so as to make a profit of 25% be selling the diluted liquid at Rs. 13.75 per litre?
S.P = 13.75
P = 25 %
S.P = C.P x 125/100
13.75 = C.P x 125/100
C.P = 11 Rs.
W: S = 1:11
0, 2, 8, 14, ?, 34
1, 4, 2, 8, 6, 24, 22, 88, ?
1, 4, 9, 16, 25, ?
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