A teacher asked his students to find the arithmetic mean of the numbers 3, 5,…
PYQ SSC JE (Junior Engineer) 2020
A teacher asked his students to find the arithmetic mean of the numbers 3, 5, 8, 11, 14, 18, 22, 10, 9 and x. A student found the mean to be 12. What should be the number in place of x?
- A.
17
- B.
12
- C.
13
- D.
20
Attempted by 1 students.
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