Question

If arithimatics mean of 25, 30, 32, x, 43 is 34, then find the value of x.

Answer 1

No. of Outcomes = 5
Sum of Outcomes = 25 + 30 + 32 + x + 43  = 130 + x
Mean = Sum of Outcomes/No. of Outcomes
34 = 130 + x / 6
34 * 5 = 130 + x
170 = 130 + x
170 - 130 = x
x = 40

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Answer 2

25+30+32+ x + 43÷ 5 = 34

130+X ÷ 5 = 34

130+ X = 34*5

130 + X = 170

Therefore X = 40