1.

On her vacation, Veena visits four cities A, B, C and D in a random order, what is the probability that she visits (i) A before B ? (ii) A before B and B before C? (iii) A first and B last?

Answer»

On her vacation, Veena visits four cities A, B, C and D in a random order, what is the probability that she visits

(i) A before B ?

(ii) A before B and B before C?

(iii) A first and B last?



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