A fair die is tossed eight times. The probability that a third six is observed in eight throw is
^7C10×57
67
b.
^7C2×52
68
c.
^7C2×55
66
d. none of these
A.
.7C2×55
67
B.
.7C2×55
68
C.
.7C2×55
66
D. none of these
Select the correct answer from above options