Others Maths Puzzle

WHEN THREE FAIR DICES ARE THROWN SIMULTANEOUSLY WHAT IS THE PROB THAT 1ST DICE SHOWS UP EVEN NUMBER 2ND DICE SHOWS UP EVEN PRIME, THE THIRD DICE SHOWS COMPOSITE NUMBER?

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Others Other Question

Find the maximum value of n such that
570*60*30*90*100*500*700*343*720*81 is perfectly divisible by 30^n.
James bond is a spy. He has to give signal to his senior after 90 minutes. He do not have any watch. He has two rods, each of which takes two h ours to burn if lit at one end. These rods are not homogeneous and some p arts of the rod burn more quickly than the other parts. He cannot cut the rod into h alf. What should he do to give the signal after 90 minutes.