A die is thrown a fixed number of times. If probability of getting even
number 3 times is same as the probability of getting even number 4 times,
then probability of getting even number exactly once is
`1//6`
b. `1//9`
c. `5//36`
d. `7//128`
A. `1//6`
B. `1//9
C. `5//36`
D. `7//128`