Same size, same color - 4 colors and 2 sizes = 8 combinations.
three colors - same size = 4 color combinations * 2 sizes = 8 combinations
total = 16
BREAKING: Target Test Prep releases Brand New 2026 On Demand GMAT prep course
Redeem
Featured Course
Target Test Prep GMAT OnDemand
Scott Woodbury-Stewart’s private virtual classroom — 400 hours of master-class video lessons for the GMAT Focus Edition.
- 715+ score guarantee — highest in the industry (99th percentile)
- 52 chapters · 1,500+ lessons · 4,000+ practice questions
- 400 hours of video · 1,500+ instructor-led HD smartboard lessons
- 300,000+ students accepted to Harvard, Stanford, Wharton, Booth & Sloan & more
- 24/7 live support + weekly Zoom office hours with GMAT instructors
- TTP AI Assist — 24/7 AI-powered virtual tutor for instant help
- 1,200+ flashcards + AI-powered study assistant & daily calendar
- OnDemand, LiveTeach & GMAT Bootcamp formats available
- Also: GRE, SAT Math & Executive Assessment courses
- MBA Admissions Consulting now available
- 🏆 2025 EdTech Breakthrough Award: Test Prep Solution Provider of the Year
- 200,000+ students served
- 5-day free trial — $0 to start, no auto-billing, cancel anytime
★★★★★
5.0
(559 reviews)
130-pt guarantee
$0 to start
then $127/mo
Notepad
Source: Beat The GMAT — Problem Solving |
If we respresent colors by a, b, c, d.
we have following possiblities
case 1
For small size
case 1.1
same color
a, a, a
b, b, b
c, c, c
d, d, d
case 1.2
3 different colors:
a, b, c
a, b, d
a, c, d
b, c, d
All for all
so 8 combination
case 2
same as 1
For large one=8
so 8+8=16
we have following possiblities
case 1
For small size
case 1.1
same color
a, a, a
b, b, b
c, c, c
d, d, d
case 1.2
3 different colors:
a, b, c
a, b, d
a, c, d
b, c, d
All for all
so 8 combination
case 2
same as 1
For large one=8
so 8+8=16
GMAT score is equally counted as your GPA and 78 clicks can change you life.
