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

Q: Problem: the h . c . f of two numbers is 23 and the other two factors of their l . c . m are 14 and 15 . the larger of the two numbers is :

A: 345
****
Q: Problem: in a new housing development , trees are to be planted along the sidewalk of a certain street . each tree takes up one square foot of sidewalk space , and there are to be 9 feet between each tree . how many trees can be planted if the road is 151 feet long ?

A: 1
****
Q: Problem: the compound ratio of 5 : 6 , 3 : 2 and 4 : 5 is ?

A:
1 : 1
****