Discuss Forum
1. In a university, 80 percent of the students lived in hostel , and 60 percent of the hostel students are lucky to get a single room. If number of lucky students is 1,200, then how many students were there in the university ?
- A. 2,500
- B. 2,500
- C. 2,500
- D. 2,500
Answer: Option A
Explanation:
Let,
total No. of students = x
No. of students lived in hostel = x × 80% = 0.8x
No.of Lucky students = 0.8x × 60% = 0.8x × 0.6 = 0.48x
According to question,
0.48x = 1200
x = (1200 ×100)/048
x = 2500
Post your comments here: