(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 |

(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