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A box contains 2 washers,3 nuts and 4bolts . Items are drawn from the box at random ,one at a time with out replacement .The probabilty of drawing 2 washers first followed by 3 nuts and subsequently the 4 bolts is
$$\frac{2}{315}$$
$$\frac{1}{630}$$
$$\frac{1}{1260}$$
$$\frac{1}{2520}$$
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