A person has 8 friends. The number of ways in which he may invite one or more of them toa dinner is.(a) 250 (b) 255 (c) 200 (d) none of these

Question

A person has 8 friends. The number of ways in which he may invite one or more of them toa dinner is.(a) 250 (b) 255 (c) 200 (d) none of these
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Solution 1

To find the number of ways in which the person can invite one or more of his 8 friends to dinner, we can use the concept of combinations.

For each friend, there are two possibilities: either they are invited or they are not invited. Since there are 8 friends in total, we have 2 options for each fr Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study prob

Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solv

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