IPMAT Indore 2020 (MCQ) PYQs

The probability that a randomly chosen positive divisor of $10 ^ {2023}$ is an integer multiple of $10 ^ {2001}$ is

A die is thrown three times and the sum of the three numbers is found to be 15. The probability that the first throw was a four is

The probability that a randomly chosen factor of $10^{19}$ is a multiple of $10^{15}$ is