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

Problem: of the seven - digit positive integers that have no digits equal to zero , how many have two digits that are equal to each other and the remaining digit different from the other two ?
152409600

Problem: if log 2 = 0.3010 and log 3 = 0.4771 then the value of log 4.5 is :
0.6532

Problem: a motorcyclist goes from bombay to pune , a distance of 160 kms at an average of 32 kmph speed . another man starts from bombay by car 2 ½ hours after the first , and reaches pune ½ hour earlier . what is the ratio of the speed of the motorcycle and the car ?

2 : 5