John has Rs 360 for his expenses. If he exceeds his days by 4 days he must cut down daily expenses by Rs 3. The number of days of John 's tour program is Choose the correct choice from the following answers:
A) 10 B) 15 C) 20 D) 24 E) 27

Rationale: let john under takes a tour of x days . then , expenses for each day = 360 x 360 x + 4 = 360 x − 3 x = 20 and − 24 hence , x = 20 days . c
Answer: C