In a chess game a man plays 16 moves, one move to every piece in the following manner:-
• King can move 1 step in any direction
• Queen can move in any direction
• Rook can move straight in any direction
• Bishop can move in slant squares
• Knight can move 2 forward then 1 turned step
• Every pawn can move 1 or 2 step forward
What is the probability that after that move all the piece are arranged in third and fourth row if initially they are arranged in first and second row as the rule of game.
There are two buildings P and Q. IfÂ 123Â persons are sent from P to Q, then the number of persons in each building is the same. IfÂ 137Â persons are sent from Q to P, then the number of persons in P is double the number of persons in Q. How many persons are there in building P?
There are two buildings P and Q. IfÂ 143Â persons are sent from P to Q, then the number of persons in each building is the same. IfÂ 186Â persons are sent from Q to P, then the number of persons in P is double the number of persons in Q. How many persons are there in building P?
A dinner party is to be fixed for a group consisting of 100 persons. In this party, 50 person do not prefer Veg, 60 prefer Non-veg and 10 do not prefer either Non-veg or Veg. The number of persons who prefer both Veg and Non-veg is
Two trains each 365 meter long, are running in same directions on parallel tracks. If their speeds are 44 km/hr and 64 km/hr respectively, the time taken by the faster train to pass the driver of the slower one is?