h1b random selection

What is the probability of the cone being selected at random from the figures? => 1 10 or 1 5 or 1 7 or 1 12..

A number is selected at random from 1 to 15 . What is the probability that it is a prime number? => 1 6 or 1 2 or 1 15 or 2 5..

There are 10 pens and 15 pencils in a box. If a student selects two of them at random, then what is the probability of selecting a pen and then a pencil? => 7 12 or 1 2 or 1 4 or 11 12..

There are 10 pens and 12 pencils in a box. If a student selects two of them at random, then what is the probability of selecting a pen and then a pencil? => 20 77 or 157 308 or 137 231 or 214 231..

A box consists of 5 white and 4 black balls. A ball is selected at random and is not replaced. A second ball is selected. Find the probability that both the balls are white. => 5 1 8 or 1 3 or 6 1 1 or 1..

A bag contains tickets numbered 1 to 10. A ticket is selected at random and is replaced before a second ticket is selected. Find the probability that the sum of the numbers is greater than 15. => 3 2 0 or 3 2 5 or 3 4 or 1 1 0..

In a committee there are 20 Republicans and 15 Democrats; 10 of the Republicans are females and 10 of the Democrats are males. If a member is selected at random, then find the probability that the selected member is a Democrat or a female. => one or 2 7 or 6 7 or 5 7 o..

A box consists of 5 white and 4 black balls. A ball is selected at random and is not replaced. A second ball is selected. Find the probability that both the balls are black. => 1 6 8 1 or 7 1 7 or 1 6 or 5 9 7 2..

A computer selects a random number from 2 to 9. Edward wins, if the number is prime. Otherwise the computer wins. Is this game fair? => Yes or No..

If 20% of all people living in a country X are underweights, then find the probability that the three people selected at random will be underweight. => 0.04 or 0.8 or 0.008 or 0.512..