JEE Main Mathematics question

MathematicsPermutations and CombinationsJEE Main

A three digit number is such that the last two digits of it are equal and differ from the first. The number of such 's is

Answer: (C)

Solution

The first digit can be any of to : choices. The last two digits are the same digit that

See the full step-by-step solution

Create a free account to read the complete working, and practise questions like this in a timed test.

Create a free account

Question ID VK-020574