The task is to generate the correct answer for a given math problem.

Problem: a grocer is storing soap boxes in cartons that measure 25 inches by 42 inches by 60 inches . if the measurement of each soap box is 7 inches by 6 inches by 10 inches , then what is the maximum number of soap boxes that can be placed in each carton ?
150

Problem: at what rate percent on simple interest will rs . 750 amount to rs . 900 in 8 years ?
2.5 %

Problem: if 4 people are selected from a group of 8 married couples , what is the probability that none of them would be married to each other ?

8 / 13