BREAKING: Target Test Prep releases Brand New 2026 On Demand GMAT prep course

Redeem

integers

This topic has expert replies
Post new topic Post Reply
Previous Topic Next Topic
Legendary Member
Posts: 1084
Joined: Fri Apr 15, 2011 2:33 pm
Thanked: 158 times
Followed by:21 members

integers

by pemdas » Mon Jan 16, 2012 1:39 pm
In the game of Dubblefud, red chips, blue chips and green chips are each worth 2, 4 and 5 points respectively. In a certain selection of chips, the product of the point values of the chips is 16,000. If the number of blue chips in this selection equals the number of green chips, how many red chips are in the selection?

A 1
B 2
C 3
D 4
E 5

source: Magoosh
Success doesn't come overnight!
Top
Source: — Problem Solving |
User avatar
Legendary Member
Posts: 588
Joined: Sun Oct 16, 2011 9:42 am
Location: New Delhi, India
Thanked: 130 times
Followed by:9 members
GMAT Score:720

by rijul007 » Mon Jan 16, 2012 1:53 pm
pemdas wrote:In the game of Dubblefud, red chips, blue chips and green chips are each worth 2, 4 and 5 points respectively. In a certain selection of chips, the product of the point values of the chips is 16,000. If the number of blue chips in this selection equals the number of green chips, how many red chips are in the selection?

A 1
B 2
C 3
D 4
E 5

source: Magoosh
No of Red Chips = x
No of Blue Chips = y
No of Green Chips = z

2^x * 4^y * 5^z = 16000 = 16 * 10^3 = 16 * 2^3 * 5^3
z = 3

Acc to te ques,
y = z = 3

2^x * 4^3 * 5^3 = 4*4*4*2*5^3 = 2^1 * 4^3 * 5^3

x = 1

Option A
Top
Legendary Member
Posts: 1084
Joined: Fri Apr 15, 2011 2:33 pm
Thanked: 158 times
Followed by:21 members

by pemdas » Mon Jan 16, 2012 2:35 pm
OA is A)

I was a little confused by the wording of this q. at first
Success doesn't come overnight!
Top
Post new topic Post Reply
• Page 1 of 1