. The IT giant Tirnop has recently crossed a head count of 
150000 and earnings of $7 billion. As one of the 
forerunners in the technology front, Tirnop continues to 
lead the way in products and services in India.  At Tirnop, 
all programmers are equal in every respect. They receive 
identical salaries ans also write code at the same rate. 
Suppose 12 such programmers take 12 minutes to write 12 
lines of code in total. How long will it take 72 
programmers to write 72 lines of code in total?
a) 18 b) 72  c) 6  d) 12