Question

Average number of chocolates distributed in a class of 40 students is 5. If x number of students joined newly in the class and the average goes to 4, then find the number of students newly joined?

• A. 8
• B. 10
• C. 12
• D. 16

Answer 1

Answer:

B. 10

total=40*5=200 200/(40+x)=4 40+x=50 x=10