Q. A pair of dice is rolled together till a sum of either 5 or 7 is obtained. The probability that 5 comes before 7 is
A) 2/5
B) 1/5
C) 3/5
D) None of these
Explanation
The correct answer is Option A: 2/5.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.