1.

A bag contains tickets numbered from I to 20. Two tickets are drawn. Find the probability that (i) both the tickets have prime numbers on them (ii) on one there is a prime number and on the other there is a multiple of 4.

Answer»

A bag contains tickets numbered from I to 20. Two tickets are drawn. Find the probability that

(i) both the tickets have prime numbers on them

(ii) on one there is a prime number and on the other there is a multiple of 4.



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