Alocker combination has three nonzero digits, and digits cannot be repeated. the first two digits are 1 and 2. what is the probability that the third digit is 3? is it 1/7 or 1/6?

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?

The sum of the first eight terms of an arithmetic progression is 9m + 14. the fifth term of the06 progression is 2m - 6, where m is a constant.given that the first term of the progression is 26,find the value of the common difference, d and thevalue of m.

Suppose you are choosing a 6-digit personal access code. this code is made up of 4 digits chosen from 1 to 9, followed by 2 letters chosen from a to z. any of these digits or letters can be repeated. find the total number of personal access codes that can be formed. 492,804 341,172 39,917,124 4,435,236