Doubt from probability

#1

A standard six-sided fair die is rolled four times. The probability that the product of all four numbers rolled is a perfect square is \tfrac{m}{n}, where m and n are relatively prime positive integers. Find m+n
@Mayank_2019_1 , @Tanmay_1 , @Sourav_Dey sir

#2

Is it 187?

1 Like
#3

Yes sir
Submit details

#4

Answer is 187

3 Likes
#5

@Tushar_2019 did you understand?

#6

Yup got it @Shiva_1 sir
I missed one case
Thanks