NCERT Exemplar Solutions
Class 7 - Mathematics - Unit 3: Data Handling - Fill in the BlanksQuestion 28
Class 7 - Mathematics - Unit 3: Data Handling - Fill in the Blanks
Question. 28
If the arithmetic mean of 8, 4, x, 6, 2, 7 is 5, then the value of x is ________.
Answer:
If the arithmetic mean of 8, 4, x, 6, 2, 7 is 5, then the value of x is 3.
Detailed Answer with Explanation:
Mean = (8+4+x+6+2+7)/6 = 5
=> (27+x)/6 = 5
=> 27+x = 30
=> x = 3.