# A and B toss a fair coin each simultaneously 50 times. The probability that both of them will not get tail at the same toss is

Question : A and B toss a fair coin each simultaneously 50 times. The probability that both of them will not get tail at the same toss is

(A) $\left( \dfrac{3}{4}\right) ^{50}$

(B) $\left( \dfrac{2}{7}\right) ^{50}$

(C) $\left( \dfrac{1}{8}\right) ^{50}$

(D) $\left( \dfrac{7}{8}\right) ^{50}$