Question

The average number of sweets distributed in a class of 60 students is 5. If ‘x’ number of students newly joined the class and the average becomes 4, and then find the newly joined students in the class?

• A. 12
• B. 14
• C. 15
• D. 18

Answer 1

Answer:

C. 15

Let newly joined students be x, 60*5 = (60 + x)*4 300 = 240 + 4x 60 = 4x x= 15