There are 30 discs in a box, which are marked with numbers from 1 to 30. If one disk from this box is dropped at random...

There are 20 marbles in a box which are marked with distinct numbers from 1 to 20. If a marble is drawn, then find the probability that the marble being numbered as a multiple of 5.

There are 10 marbles in a box which are marked with the distinct numbers from 1 to 10. If a marble is drawn, then what is the probability of getting prime numbered marble ?

There are 10 marbles in a box which are marked with the distinct numbers from 1 to 10. If a marble is drawn, then what is the probability of getting a marble being a number multiple of 3 ?

There are 15 tickets in a box , each bearing one of the numbers from 1 to 15 . One ticket is draw at random form the box . Find the probaility of event that the ticket draw - shows a number which is a mulitple of 5.

There are 15 tickets in a box , each bearing one of the numbers from 1 to 15 . One ticket is draw at random form the box . Find the probaility of event that the ticket draw - shows an even number

There are 15 tickets in a box, each bearing one of the numbers from 1 to 15. One ticket is drawn at random from the box. Find the probability of event that the ticket drawn (1) shows an even number (2) shows a number which is a multiple of 5.

A box contains 90 discs which are numbered from 1 to 90. If one disc is drawn at random from the box, find the probability that it bears (i) a two-digit number, (ii) a number divisible by 5.