Doubt from probability


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


Is it 187?

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Yes sir
Submit details


Answer is 187


@Tushar_2019 did you understand?


Yup got it @Shiva_1 sir
I missed one case