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

 It is currently 22 Oct 2019, 12:05

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

Twenty children were sharing equally the cost of a present for their

Author Message
TAGS:

Hide Tags

Math Expert
Joined: 02 Sep 2009
Posts: 58427
Twenty children were sharing equally the cost of a present for their  [#permalink]

Show Tags

28 Jan 2019, 00:30
00:00

Difficulty:

25% (medium)

Question Stats:

80% (02:08) correct 20% (02:42) wrong based on 18 sessions

HideShow timer Statistics

Twenty children were sharing equally the cost of a present for their teacher. When 4 of the children decided not to contribute, each of the other children had to pay \$1.50 more. How much did the present cost, in dollars? ​

A. 50 ​

B. 80 ​

C. 100 ​

D. 120 ​

E. 150

_________________
GMAT Club Legend
Joined: 18 Aug 2017
Posts: 5032
Location: India
Concentration: Sustainability, Marketing
GPA: 4
WE: Marketing (Energy and Utilities)
Re: Twenty children were sharing equally the cost of a present for their  [#permalink]

Show Tags

28 Jan 2019, 03:37
Bunuel wrote:
Twenty children were sharing equally the cost of a present for their teacher. When 4 of the children decided not to contribute, each of the other children had to pay \$1.50 more. How much did the present cost, in dollars? ​

A. 50 ​

B. 80 ​

C. 100 ​

D. 120 ​

E. 150

actual avg of gift : x/20
after 4 children left new avg ; 1.5*16 = 24
x+24/16
since the avg price would have to same
x+24/16 = x/20
x = 120
IMO D
Director
Joined: 09 Mar 2018
Posts: 994
Location: India
Re: Twenty children were sharing equally the cost of a present for their  [#permalink]

Show Tags

28 Jan 2019, 03:58
Bunuel wrote:
Twenty children were sharing equally the cost of a present for their teacher. When 4 of the children decided not to contribute, each of the other children had to pay \$1.50 more. How much did the present cost, in dollars? ​

A. 50 ​

B. 80 ​

C. 100 ​

D. 120 ​

E. 150

Let n be the total cost, x was shared by 20 students

n/20 = x

n = 20 x

n/ 16 = x +1.5

n = 16x + 24

4x = 24

x = 6

Initial Cost =120

D
_________________
If you notice any discrepancy in my reasoning, please let me know. Lets improve together.

Quote which i can relate to.
Many of life's failures happen with people who do not realize how close they were to success when they gave up.
Re: Twenty children were sharing equally the cost of a present for their   [#permalink] 28 Jan 2019, 03:58
Display posts from previous: Sort by