The students of a class donated a sum of Rs 2,209. If each students donated as many rupees as the number of students in the class, then the number of students in the class is :
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 47
The students of a class donated a sum = Rs 2,209
Let's assume the total number of students = x
Donated sum by the one student = x
According to the question :
⇒ x × x = 2209
⇒ x = 47