Question : The probability that in a family of 5 members, exactly two members have birthday on Sunday is

(A) \left( 12\times 5^{3}\right)/ 7^{5}

(B) \left( 10\times 6^{2}\right)/ 7^{5}

(C) 2/5

(D) \left( 10\times 6^{3}\right)/ 7^{5}

Answer : option (D)

Solution :

*Related*