Three numbers are chosen from 1 to 30. The probability that... | Mathematics | SolveeIt | Solveeit

Today, August 18

Question

Three numbers are chosen from 1 to 30. The probability that they are not consecutive is

A

$\frac {144}{145}$

B

$\frac {143}{145}$

C

$\frac {142}{145}$

D

none of these

Answer

$\frac {144}{145}$

Explanation

Solution

Answer (a) $\frac {144}{145}$