A box contains tickets numbered on 1 to 20 then the number of ways that can be selected a prime from that is (A) 8 (B) 9 (C) 10 (D) 6

One ticket is drawn from a box containing 100 tickets numbered from 1 to 100. If the number on the selected ticket is x then probability that x+ 1/x gt 2 is

A ticket is drawn at random from a bag containing tickets numbered from 1 to 40 . Find the probability that the selected ticket has a number which is a multiple of 5.

One ticket is drawn at random from a bag containing tickets numbered 1 to 40. The probability that the selected has a number, which is a multiple of 7, is

A bag contains tickets numbered from 1 to 20. Two tickets are drawn.find the probability that i.both the tickets have prime numbers on them ii.on one there is a prime number and on the other there is a multiple of 4.

One ticket is drawn at random from a bag containing ticket numbered 1 to 40. The probability that the selected ticket has a number which is a multiple of 5 is.

A box contains 7 red , 6 white and 4 blue balls. Number of ways of selection of three red balls is

A box contains two white three black and four red balls.The number of ways in which we can select three from the box If at least one white ball is to be included in the selection is

A box contains tickets numbered 1 to 20.3 tickets are drawn from the box with replacement. The probability that the largest number on the tickets is 7, is

The box contains tickets numbered from 1 to 20. Three tickets are drawn from the box with replacement.The probability that the largest number on the tickets is 7 is (A) (2)/(19) (B) (7)/(20) (C) 1-((7)/(200))^(3) (D) none of these

One lottery ticket is drawn at random from a bag containing 20 tickets numbered 1 to 20. Find the probability that the number on the ticket is (i) divisible by 4 (ii) the prime number.