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(x + 2), x and (x – 1) are the frequencies of the numbers 12, 15 and 20 respectively.  If the mean of the distribution is 14.5, the value of x is

(a)

2

(b)

3

(c)

4

(d)

5


Question ID - 150885 | Toppr Answer

(x + 2), x and (x – 1) are the frequencies of the numbers 12, 15 and 20 respectively.  If the mean of the distribution is 14.5, the value of x is

(a)

2

(b)

3

(c)

4

(d)

5

1 Answer - 5876 Votes

3537

Answer Key : (b) -

3



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