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Middle – earth is a fictional land inhabited by Hobbits, Elves, dwarves and men. The Hobbits and the Elves are peaceful creatures who prefer slow, silent lives and appreciate nature and art. The dwarves and the men engage in physical games . The game is as follows . A tournol is one where out of the two teams that play a match, the one that loses get eliminated. The matches are played in different rounds where in every round , half of the teams get eliminated from the tournament. If there are 8 rounds played in a knock-out tournol how many matches were played?
(a) 257 (b) 256 (c) 72 (d) 255
Read Solution (Total 3)
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- 2^(no. of rounds ie 8)-1
- 13 years agoHelpfull: Yes(45) No(5)
- for two teams one will be selected and one will be eliminated
so for 8 rounds
128 matches=> 64 match=> 32 =>16 => 8=>4=>2=>1
totally 128+64+32+16+8+4+2+1=255 matches were played
- 13 years agoHelpfull: Yes(37) No(9)
- THE ANSWER WILL BE OPTION b BECAUSE: 256 HALVED IN THE FIRST ROUND EQUALS 128 THEN 64 AND SO ON AT THE END OF 8TH ROUND ITS 1 WHICH MEANS ONE TEAM EMERGES VICTORIOUS.SO 256 IS THE ANSWER
- 8 years agoHelpfull: Yes(2) No(1)
TCS Other Question
There are 10 reading spots in a room. Each reading spot has a round table. Each round table has 4 chair. If different no of persons are sitting at each reading spot. And if there are 10 persons inside the room then how many reading spots donot have atleast a single reader.
(a) 5 (b) 6 (c) 7 (d) None
There are two water tanks A and B, A is much smaller than B. While water fills at the rate of one litre every hour in A, it gets filled up like 10, 20, 40, 80, 160... in tank B.( At the end of first hour, B has 10 litres , second hour it has 20, and so on). If tank B is 1/32 filled after 21 hours, what is the total duration required to fill it completely?
(a) 26 hrs (b) 25 hrs (c) 5 hrs (d) 27 hrs