Question

The average number of sweets distributed in a class of 25 students is 6. If ‘x’ number of students newly joined the class and the average becomes 5, and then find the newly joined students in the class? 

A 18 yrs Correct Answer Incorrect Answer
B 11 yrs Correct Answer Incorrect Answer
C 14 yrs Correct Answer Incorrect Answer
D 5 yrs Correct Answer Incorrect Answer
E 18 yrs Correct Answer Incorrect Answer

Solution

Let newly joined students be x, According to the question, 25 x 6 = (25 + x) x 5 150 = 125 + 5x 25 = 5x x = 5 The newly joined students in the class = 14 

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