Question
The average number of sweets distributed in a class of
90 students is 6. If lsquo;xrsquo; number of students newly joined the class and the average becomes 5, and then find the newly joined students in the class?Solution
Let newly joined students be x, According to the question, 90 x 6 = (90 + x) x 5 540 = 450 + 5x 90 = 5x x = 18 The newly joined students in the class = 18
More Average Questions
Find the 31st term of the series 25, 29, 33……
If 18 x 10 42 -22,
Then, 50% of 2x - 25% of x = ?
...4, 17, 62, 317, ?, 13267
24 ? 14 16 39 88.5
...D irection: Which of the following will replace ‘?’ in the following series
10,14,’?’,199, 352, 530
...83, 88, 86, 91, 89, ?
If 4 2 x 1.5 0.5
Then, 1/3 x + 2.5 = ?
3,   2,   3,  8,  31,  ?
31, 16.5, 18, ?, 60.5, 154.25
47Â Â Â 82Â Â Â 117Â Â Â 152Â Â Â 187Â Â Â ?
Relevant for Exams:
