There is a sequence defined by using common mathematical operations.
The first two terms in the sequence are 10 and 12 and the sixth term is 60. The seventh term, however, is undefined.
What are the third, fourth and fifth terms?

The respective missing terms are as follows:

3rd term = 15

4th term = 20, and:

5th term = 30.
  

Posted by K Sengupta on 2008-12-21 02:39:43