General Maths Puzzle Numerical Ability Permutation and Combination

How many arrangements of four 0's , two 1's and two 2's are there in which the first 1 occur before the first 2?

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General Other Question

There are 52 marbles.Two players pick up the marbles alternately.they can pick minimum one and maximum five.The one who pics up the last marble loses.who will always win? How many common square and cube numbers are there less than 50000?