Each two - digit number is written on a paper slip and these are all put in a box What is the probability that the product of the digits of a number drawn is ia prime number? What if three - digits numbers are used Instead?

A man is asked to say a 3 digit number.What is the probability that the last two digits be ’0’?

One is asked to say a three digit number What is the probability that a) all the digits of the number are same? b) The number is miultiple of 6 .

a) How many two digit numbers are there in all? b) If we choose one number from the two digit numbers, what is the probability that the sum of the digits of that number will be 10 ?

Natural numbers from1to 30 are.written on paper slips and kept in a box.If oneslip t is taken from the box,What is the probability that this number be a natural number?-

Find the number of two digit even numbers?

How many distinct 3 digit numbers can be written using the digits 5,6 and 7 without repeating the digits? a) What is the probability that the numbers are odd numbers? b) What is the probability that the numbers are even numbers?

One is asked to say a three digit number a) What is the probability of three digits being same?

Natural numbers from1to 30 are.written on paper slips and kept in a box.If oneslip t is taken from the box,What is the probability of this number to be even?

How many three digit numbers can be written using digits 4,6, and 9 without repeating the digits? i) What is the probability that the numbers are odd numbers? ii) What is the probability that the numbers are even numbers?