Self Exam Numerical Ability Profit and Loss

A publisher sells cipies of a book retail dealer at 5 Rs.per copy.but allow 25 copies to be countes as 24.if the retailer sells each of the 25 copies at Rs.6.his profit percentage

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Ans: 25%

CP of 25 copies = 24 * 5 = 120 (25 copies to be counts as 24)
SP of 25 copies = 25*6 = 150
Profit = 150 - 120 = 30
Profit % = (30/120) * 100 = 25%
10 years agoHelpfull: Yes(4) No(0)

15.2%

CP of 24 copies to a retailer=125
So CP of 25 copies to a retailer=25*(125/24)
SP of retailer for 25 copies=25*6=150
% profit =150*100/[25*(125/24]-100= 15.2
10 years agoHelpfull: Yes(1) No(3)
25%
Profit = 150 - 120 = 30
Profit % = (30/120) * 100 = 25%
8 years agoHelpfull: Yes(1) No(0)
CP of 25 = 24 * 5 = 120 ..SP of 25 = 25*6 = 150
Profit = 30
Profit % = (30/120) * 100 = 25%
8 years agoHelpfull: Yes(1) No(0)

Self Other Question

Solve :
42 : 56 :: 110 : ? at a party,a grandfather,a grandmother,two fathers,two mothers,four children,three grandchildren,one brother,two sisters,two sons,two daughters,one father-in -law,one mother-in-law and one daughter-in-law sit at a table.at least how many people are sitting at the table?

a)7 (b)15 (c)22 (d)23