Loading...

Lesson: Intermediate Problem Solving - 22t01

Practice: Unlikely Answer Choices, continued

[Page 22 of 27]
And one more. Use your knowledge of unlikely or trap answers to identify the culprit choices in the following question, then select the correct answer and then click Continue.

It took John 3 hours to ride 45 miles. If he took another 2 hours to ride another 10 miles, what was his average speed over the entire trip?
8
10
10.5
11
12

Using the average formula, we find:

. Choice (D) is correct.

Choice (B), 10, is wrong, and a trap answer, because it is the average of the two individual rates: .

Choice (C), 10.5, is an oddball answer choice, since it's the only noninteger.

If you were guessing you could eliminate Choices (B) and (C) for your best guess.

Back Next

Next to display next topic in the chapter.

Video Lessons and 10 Fully Explained Grand Tests

Large number of solved practice MCQ with explanations. Video Lessons and 10 Fully explained Grand/Full Tests.

More for You
All in this Category

You may be interested in

Queen Mary College - Lahore

A famous name incolleges in Lahore ...

PAF College Lower Topa

How to get admission in PAF College ...

CSS and PMS Essays

A list of written essays for CSS an ...

Business School Admission Process

A detailed discussion about how you ...

GRE Chemistry

Complete review of GRE Chemistry wi ...

Join Pakistan Navy

Read about how you can join Pakista ...

Institute of Space Technology

IST is the institute dealing in spa ...

BUET - BSc Engineering

Balochistan University of Engineeri ...