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There are 10 books on a shelf, of which 4 are paperbacks and 6 are hardbacks. How many possible selections of 5 books

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by M7MBA » Sat Sep 25, 2021 11:25 pm

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Answers

A

B

C

D

E

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Difficulty—

There are 10 books on a shelf, of which 4 are paperbacks and 6 are hardbacks. How many possible selections of 5 books from the shelf contain at least one paperback and at least one hardback?

A) 75
B) 120
C) 210
D) 246
E) 252

Answer: D

Source: Official Guide
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Re: There are 10 books on a shelf, of which 4 are paperbacks and 6 are hardbacks. How many possible selections of 5 book

by ygcrowanhand » Wed Apr 13, 2022 5:21 am
Hi GMATters,

Here is my video solution to this question:

https://www.youtube.com/watch?v=AJ4yOY4dtYk

Enjoy!

Rowan
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