The entry following an in a sequence is given by (an – 1)2.  If 1 is an entry in the sequence, the next 3 entries are ______ .

a, b, c are three distinct integers from 2 to 10 (both inclusive). Exactly one of ab, bc and ca is odd. abc is a multiple of 4. The arithmetic mean of a and b is an integer and so is the arithmetic mean of a, b and c. How many such triplets are possible (unordered triplets) .

Who is the chief executive officer of Microsoft?