A number is selected at random from 1 to 50. What is the probability that it is
(a) a prime number
(b) not a perfect cube
(c) a perfect square
(d) a triangular number
(e) a multiple of 6
(f) not a multiple of 2

A number is elected at random from the first 50 natural numbers. Find the probability that it is a multiple of three and four.

A number is chosen at random from -3,-2,-1,0,1,2 and 3. what is the probability that the square of this number is less than or equal to 1 ?

One number is selected from the first 50 natural numbers. What is the probability that it is a root of x+(256)/(x)gt40 ?

A die is thrown once. Find the probability of getting: (a) an even prime number (b) a multiple of 3

IF a number ' x' choosen at random from the numbers -2 ,-1,0,1,2 . What is the probability that x^2 lt 3 ?

A bag has cards numbered 2 to 90. a card is drawn at random from the bag. Find the probability that it bears (i) a two-digit number (ii) a number which is a perfect square.

A number x is chosen at random from numbers -3,-2,-1,0,1,2, and 3. find the probability that |x| lt 2 .

A natural number x is chosen at random from the first 100 natural number. The probability that x+100/x gt 50 is

A die is thrown and a card is selected at random from a deck of 52 playing cards. The probability of getting an e: number on the die and a spade card is

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 perfect square number (iii) a number divisible by 5.