Four mutually exclusive events A, B, C and D have probabilities of 0.1, 0.2, 0.3 and 0.4

Question:

Four mutually exclusive events A, B, C and D have probabilities of 0.1, 0.2, 0.3 and 0.4 respectively. What are the probabilities of the following occurring?
(a) A and B,
(b) A or B,
(c) Neither A nor B,
(d) A and B and C,
(e) A or B or C,
(f) None of A, B or C?