How many possibilities are there with 2 digits?
Perhaps you could explain an easier way to figure this out rather than writing all these numbers down?? Hi Angela, I also know that there are 100 combinations of two digits from 0-9, and 10 ombinations of one digit from 0-9.
What is the probability of first digit being twice the second?
Probability of first digit being twice the second = 2/45 the probability that an event happens in one trial of an experiment is …
What is the probability that a randomly chosen 2 digit positive integer is a multiple of 3?
1/3
Since out of these 30 numbers are multiple of 3 therefore the probability that a randomly chosen positive 2-digit integer is a multiple of 3 is 30/90 = 1/3.
How many two digit number are formed without repetition?
A two digit number is formed with digits 2, 3, 5, 7, 9 without repetition. What is the probability that the number formed is an odd number? Is there an error in this question or solution?
What is the probability that a number has at least one digit?
If a number is chosen at random from 10 to 99 (inclusive), the probability that such number contains at least one digit that is 2 is proportional to the size of such numbers. That is P = 18 99 – 10 + 1 = 0.20.
What is the total number of possible 3 digit numbers?
Now, as the repetition is allowed, the digits possible at B is 6. Similarly, at A, also, the number of digits possible is 6. Therefore, The total number possible 3 digit numbers = 6 × 6 × 3 = 108. 3. How many 4-letter code can be formed using the first 10 letters of the English alphabet, if no letter can be repeated?
What is the number of letters in a 4 digit code?
Let the 4 digit code be 1234. At the first place, the number of letters possible is 10. Let’s suppose any 1 of the ten occupies place 1. Now, as the repetition is not allowed, the number of letters possible at place 2 is 9. Now at 1 and 2, any 2 of the 10 alphabets have been taken.