Q 30. A box contains 2 washers, 3 nuts and 4 bolts. Items are drawn from the box at random one at a time without replacement. The probability of drawing 2 washers first followed by 3 nuts and subsequently the 4 bolts is
(A) 2/315
(B) 1/630
(C) 1/1260
(D) 1/2520
Answer: (C)
Explanation: