GMAT Question of the Day - Daily to your Mailbox; hard ones only

 It is currently 23 Oct 2019, 16:58

### GMAT Club Daily Prep

#### Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.

Customized
for You

we will pick new questions that match your level based on your Timer History

Track

every week, we’ll send you an estimated GMAT score based on your performance

Practice
Pays

we will pick new questions that match your level based on your Timer History

# M70-15

Author Message
TAGS:

### Hide Tags

Math Expert
Joined: 02 Sep 2009
Posts: 58464

### Show Tags

03 Sep 2018, 04:20
00:00

Difficulty:

(N/A)

Question Stats:

75% (00:34) correct 25% (00:17) wrong based on 4 sessions

### HideShow timer Statistics

If the ratio of sleeping hours to waking hours is $$1:3$$, what is the ratio of waking hours to the total number of hours in a day?

A. $$1:4$$
B. $$1:3$$
C. $$3:4$$
D. $$14:1$$
E. $$18:1$$

_________________
Math Expert
Joined: 02 Sep 2009
Posts: 58464

### Show Tags

03 Sep 2018, 04:20
Official Solution:

If the ratio of sleeping hours to waking hours is $$1:3$$, what is the ratio of waking hours to the total number of hours in a day?

A. $$1:4$$
B. $$1:3$$
C. $$3:4$$
D. $$14:1$$
E. $$18:1$$

We’ll go for PRECISE because all the information we need is in the question.

If the ratio between two parts that make up a whole is $$x$$ and $$y$$, then the ratio between $$x$$ and the whole is $$x:(x+y)$$; thus, waking hours to total hours is $$3:(3+1) = 3:4$$.

_________________
Re M70-15   [#permalink] 03 Sep 2018, 04:20
Display posts from previous: Sort by

# M70-15

Moderators: chetan2u, Bunuel