Test SeriesFree PYQsExamsPricing

MHT CET Mathematics question

MathematicsPermutations and CombinationsMHT CET

How many -digit telephone numbers can be constructed using the digits to , if each number starts with and no digit appears more than once?

Answer: (A)

Solution

The first two digits are and , so the remaining places use the other digits without

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-027821