An old professor asked John to write down any multi-digit number.
But, he put a condition, the number should not end with a zero.
John put down the number 96452.
Then the professor asked John to add up the five digits and subtract the total from the original number.
John did and here is what he got:
96452 – 26 = 96426
The professor then asked John to cross out any one of the five digits and tell him the remaining numbers.
John crossed out the 2 and told the professor the rest of the digits.
John neither told the professor the original number nor what he had done with it.
Yet, the professor told John the exact number he had crossed out.
How is it possible?
Answer Of This Riddle Will Be Posted In The Next Riddle.
Find The Answer For Island Filled With Grass
The sheep will survive.
If there were 1 lion and 1 sheep, then the lion would simply eat the sheep. The sheep will not survive.
If there were 2 lions and 1 sheep, then no lion would eat the sheep, because if one of them would, it would surely be eaten by the other lion afterwards. The sheep will survive.
If there were 3 lions and 1 sheep, then one of the lions could safely eat the sheep, because it would turn into the scenario with 2 lions, where no one can eat the sheep. The sheep will not survive.
If there were 4 lions and 1 sheep, then no lion would eat the sheep, because it would turn into the scenario with 3 lions. The sheep will survive.
Continuing this argument, the conclusion is as follows:
If there is an even number of lions, then nothing happens and the sheep survives.
If there is an odd number of lions, then any lion could safely eat the sheep and the sheep will not survive.
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