From 10,000 lottery tickets numbered from 1 to 10,000 one ticket is drawn at random. What is the probability that the number marked on the drawn ticket is divisible by 20

Question

From 10,000 lottery tickets numbered from 1 to 10,000 one ticket is drawn at random. What is the probability that the number marked on the drawn ticket is divisible by 20 (A)  (B)  (C)  (D)

Tardigrade Admin · Accepted Answer

Number of tickets numbered such that it is divisible by 20 are (10000/20) = 500 ∴ required probability = (500/10000)=(1/20)

Q. From $10, 000$ lottery tickets numbered from $1$ to $10, 000$ one ticket is drawn at random. What is the probability that the number marked on the drawn ticket is divisible by $20$

Number of tickets numbered such that it is divisible by
$20$ are $\frac{10000}{20} = 500$
$∴$ required probability $= \frac{500}{10000} = \frac{1}{20}$

Q. From 10,000 lottery tickets numbered from 1 to 10,000 one ticket is drawn at random. What is the probability that the number marked on the drawn ticket is divisible by 20

Number of tickets numbered such that it is divisible by 20 are 2010000​=500 ∴ required probability =10000500​=201​

Q. From $10, 000$ lottery tickets numbered from $1$ to $10, 000$ one ticket is drawn at random. What is the probability that the number marked on the drawn ticket is divisible by $20$

Number of tickets numbered such that it is divisible by
$20$ are $\frac{10000}{20} = 500$
$∴$ required probability $= \frac{500}{10000} = \frac{1}{20}$