Solve Counting Problems Using Combinations

question 177

Multiple Choice

Solve Counting Problems Using Combinations
-A physics exam consists of 9 multiple-choice questions and 6 open-ended problems in which all work must be shown. If an examinee must answer 6 of the multiple-choice questions and 3 of the open-ended problems, in how many ways can the questions and problems be chosen

• A) 1680
• B) 972
• C) 261,273,600
• D) 7,257,600

---

Definitions:

Arbitrage

The practice of buying and selling the same asset in different markets to profit from price differences.

Vertical Integration

A company's expansion into different stages of production or distribution within the same industry, controlling more of its supply chain.

Upstream Price Discrimination

Differential pricing strategy employed before the product reaches the final consumer, often involving wholesalers or distributors.

Arbitrage

The simultaneous purchase and sale of the same assets in different markets to profit from unequal prices.