1003158502

Level: 
Project ID: 
1003158502
Accepted: 
1
Clonable: 
0
Easy: 
0
Let there be two unknown positive numbers between numbers 12 and 54. The first three numbers of these four form 3 consecutive arithmetic sequence terms, and the last 3 numbers form three consecutive terms of a geometric sequence. Find the smaller of the two unknown numbers.
24
36
15
20
32