Question

In aid of charity, every student in a class contributes as many rupees as the number of students in that class. With the additional contribution of R.s 2 by one student only, the total collection is R.s 443. Then how many students are there in the class ?

• A. 12
• B. 21
• C. 43
• D. 45

Answer 1

Answer:

B. 21

The number of student in the class =√(443 - 2) =√441 = 21