Question
Which of the following statement is correct about
K5? Answer the questions based on the information given below. Eight students K1, K2, K3, K4, K5, K6, K7 and K8 are sitting around the circular table in such a way that some of them are facing away from the table and some are facing the center of the table. Any two adjacent persons are equidistant from each other. K2 sits 3rd to the left of K3. K1 and K6 face the same direction. K4 and K2 face the opposite directions. Immediate neighbors of K6 face the opposite direction as of K1. K8 is an immediate neighbor of both K4 and K6, who faces towards the center. K3 sits third to the right of K6. Neither K7 nor K5 is an immediate neighbor of K3. K5 does not sit immediate right of K2. Immediate neighbors of K1 face the same direction. K1 sits second to the left of K2.Solution
K8 is an immediate neighbor of both K4 and K6, who faces towards the center. K3 sits third to the right of K6 so, either K4 sits to the left of K6 or in the right of K6. Case I: When K4 sits to the right of K6. Case II: When K4 sits to the left of K6. K2 sits 3rd to the left of K3 so, case II is invalid, because K2 can’t be placed in case II.
K1 sits second to the left of K2, K1 faces the same direction as K6. Immediate neighbors of K1 face the same direction. K2 sits 3rd to the left of K3. K4 and K2 face opposite directions. Immediate neighbours of K6 face the opposite direction as of K1. Neither K7 nor K5 is an immediate neighbor of K3. K5 doesn’t sit immediate right of K2. The second possibility gets eliminated as it is not possible to place K2 third to the left of K3. So, K2 faces towards the center. K1 and K6 also faces towards the center. The final arrangement is as follows:
An inlet pipe can fill a tank in 18 minutes, while an outlet pipe can empty it in 27 minutes. Sujata starts the inlet pipe at 6 a.m., but the outlet pip...
Two inlet pipes M and N alone can fill a tank in 15 hours and 18 hours respectively and an outlet pipe P alone can empty the whole tank in 10 hours. Fir...
Two pipes, A and B, can independently fill the tank in 18 minutes and 20 minutes respectively, while pipe C can empty 8 gallons from the tank in 3 minut...
Pipe ‘A’ takes 10 minutes to fill a tank. Pipe ‘B’ takes 20 minutes to empty the same tank. If pipe ‘B’ is opened 5 minutes after pipe ‘A�...
Two inlet pipes 'A' and 'B' can fill an empty tank in 36 minutes and 54 minutes, respectively. Another outlet pipe 'C' can empty the tank in 108 minutes...
Two pipes 'P' and 'Q' together can fill a tank in 16 minutes while 'Q' alone can fill the tank in 24 minutes. How much time does pipe 'P' alone need to ...
Pipe 'X' is capable of emptying a tank in 15 hours. When Pipe 'Y', which adds 2.4 liters of water per hour, is also used, it takes 25 hours to empty the...
- Pipe M can fill a tank in 24 hours and pipe N in 40 hours. If both the pipes are opened in an empty tank, how much time will they take to fill it?
Two pipes X and Y can fill a cistern in 21 hours and 24 hours, respectively. The pipes are opened simultaneously, and it is found that due to a leakage ...
There are three taps with diameters of 3cm, 4cm, and 5cm respectively. The ratio of the water flowing through them is equal to the ratio of the square o...