CAT Exam Logical Reasoning Blood Relations

13 chairs and 15 tables were cost of 8280. if average cost of tables
13 chairs and 15 tables were cost of 8280. if
average cost of tables is 1227. what is avg. cost of chairs ?

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Wrong Question
If on avg one table cost 1227 than 15 table cost 1227*15=18405 which is way more than 8280..so i guess incorrect figures.
10 years agoHelpfull: Yes(3) No(1)

13chairs+15tabels/28=8280
13c+15tab=231840
15tab/15=1227
15tab=1227*15=18405
13c=231840-18405
13c=113440
aveg of 13c=113440/13=8736.15
10 years agoHelpfull: Yes(1) No(1)
I think its wrong question...the answer is coming in negative fig using this information...
10 years agoHelpfull: Yes(0) No(0)

CAT Other Question

A vessel has a milk solution in which milk and water are in the ratio 4:1. by addition of water to it, milk solution with milk and water in the ratio 4:3 was formed. on replacing 14 L of this solution with pure milk the ratio of milk and water changed to 5:3. what is the volume of the water added? In an election for the post of class representative at pitampura centre where two candidates were contesting , 10% of the students did not vote(because they were late , as usual) and 60 votes recorded were late declared invalid(because stray marks were made on the ballot paper). Winning Candidate won the election by 308 votes and it was found that he has been supported by 47% of the Whole students of the class.The number of valid votes recorded for Each candidate?