`""^(26)C_(0)+""^(26)C_(1)+""^(26)C_(2)+…..+""^(26)C_(13)` is equal to :

26.2% is equal to :

underset is equal to 266C_(0)+^(26)C_(1)+^(26)C_(2)+_(1)+..........+^(26)C_(13)

Prove that : ""^(25)C_(10)+""^(24)C_(10)+……..+""^(10)C_(10)=""^(26)C_(11)

Prove that : ""^(25)C_(10)+""^(24)C_(10)+……..+""^(10)C_(10)=""^(26)C_(11)

Evaluate (i) ""^(61)C_(57)- ""^(60)C_(56) (ii) ""^(31)C_(26)- ""^(30)C_(26)

(1)/(1xx2)""^(25)C_(0)+(1)/(2xx3)""^(25)C_(1)+(1)/(3xx4)""^(25)C_(2)+…+(1)/(26xx27)""^(25)C_(25) is -

^22C_(5)+sum_(i=1)^(4)*^(26-i)C_(4)=

Two packs of 52 cards are shuffled together. The number of ways in which a man can be dealt 26 cards so that he does not get two cards of the same suit and same denomination is a. ^(52) C_(26). 2^(26) b. ^104 C_(26) c. ^(52)C_(26) d. none of these

How many neutrons and protons are there in the following nuclei ? ""_(6)^(13)C, ""_8^(16)C , ""_(12)^(24)Mg, ""_(12)^(26)Mg, ""_(26)^(56)Fe, ""_(38)^(88)Sr .

Two packs of 52 cards are shuffled together. The number of ways in which a man can be dealt 26 cards so that he does not get two cards of the same suit and same denomination is a. ^52C_(26). 2^(26) b. ^104 C_(26) c. ^(52)C_(26) d. none of these