Test SeriesFree PYQsExamsPricing

JEE Main Mathematics question

MathematicsPermutations and CombinationsJEE Main

In an examination there are three multiple choice questions and each question has choices. Number of ways in which a student can fail to get all answers correct, is

Answer: (D)

Solution

Each question can be answered in ways, so all possible answer sheets number . Exactly one of

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-020662