NIELIT 2018-3

Question

A software engineer has the capability of thinking $200$ lines of code in five minutes and can type $200$ lines of code in $10$ minutes. He takes a break for five minutes after every $10$ minutes. How many lines of code will he complete typing after an hour?

• A. $200$
• B. $300$
• C. $400$
• D. $500$

Answer 1

Time(in minutes)	Lines of Code He thought	Lines of Code He typed	Action
t=0	0	0	N/A
0 to 5	200	0	Thinking
6 to 10	0	100	Typing
11 to 15	0	0	Break
16 to 20	0	100	Typing
21 to 25	200	0	Thinking
26 to 30	0	0	Break
31 to 40	0	200	Typing
41 to 45	0	0	Break
46 to 50	200	0	Thinking
51 to 55	0	100	Typing
56 to 60	0	0	Break

Total Lines Typed = 100+100+200+100 = 500

Thus, answer is Option D.

Answer 2

500 lines of code he can type therefore option D