Question
From first $20$ natural numbers, one number is selected at random. Find the probability that the number is even or divisible by $5 .$
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| Details | Males | Females |
| Supporters of Party A | 1319 | 1118 |
| Supporters of Party B | 1217 | 1325 |
| Time of usage of cars $($years$) x$ | $4$ | $4.5$ | $5$ | $6.8$ | $4.7$ |
| Maintenance expenditure $($thousand $₹) y$ | $3.5$ | $3.5$ | $3.5$ | $3.5$ | $3.5$ |