IPMAT Indore 2023 (MCQ) PYQs

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

A man is known to speak the truth on an average 4 out of 5 times. He throws a die and reports that it is a five. The probability that it is actually a five 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