A bag contains 15 red balls and 20 black balls. Each ball is numbered either 1 or 2 or 3. 20% of the red balls are numbered 1 aild 40% of them are numbered 3. Similarly, among the black balls, 45% arc numbered 2 and 30% are numbered 3. A boy picks a ball at random. He wins if the ball is red and numbered 3 or if it is black and numbered 1 or 2. What are the chances of his winning? 1 (a) —2 - Study24x7
Social learning Network
UPSC & State PSC
1009 followers study24x7 12 Dec 2018 03:50 PM study24x7 study24x7

A bag contains 15 red balls and 20 black balls. Each ball is numbered either 1 or 2 or 3. 20% of the red balls are numbered 1 aild 40% of them are numbered 3. Similarly, among the black balls, 45% arc numbered 2 and 30% are numbered 3. A boy picks a ball at ran...

See more

A

1/2

B

4/7

C

5/9

D

12 /13

UPSC
Like Comment Share
study24x7
Write a comment
Related Questions
500+   more Questions to answer

Popular Courses

Reasoning Special by Parwez Sir for... All Levels हिन्दी By Reasoning special by Parwez Alam
Online Free SSC Mock Tests All Levels English By Topline Coaching
FREE MOCK TEST FOR SSC CGL All Levels English By SSC Preparation Strategies & Study ...
GS 300 : Crash Course for BPSC & UP... Intermediate Level हिन्दी By Observer IAS 13,000 18,000 28% off
G.S. Foundation Premium Course All Levels हिन्दी By RAU IAS COACHING 2,199 4,199 48% off
Math Special Course for SSC CGL, CP... All Levels हिन्दी By Topline Coaching 999 1,499 33% off
SSC CGL, CPO, CHSL, GD Comprehensiv... All Levels English By Topline Coaching 3,999 5,499 27% off
English Special Course for SSC CGL,... All Levels English By Topline Coaching 999 1,499 33% off
Featured Courses
Popular Pages

Featured Courses

BESTSELLER
Reasoning Special by Parwez Sir for all Government... All Levels हिन्दी By Reasoning special by Parwez Alam
FREE
5.0
GS 300 : Crash Course for BPSC & UPPSC Mains & PT Intermediate Level हिन्दी By Observer IAS 13,000 5.0
BESTSELLER
SSC CGL, CPO, CHSL, GD Comprehensive Course All Levels English By Topline Coaching 3,999 5.0
G.S. Foundation Premium Course All Levels हिन्दी By RAU IAS COACHING 2,199 5.0
English Special Course for SSC CGL, CPO, GD All Levels English By Topline Coaching 999 5.0
Online Free SSC Mock Tests All Levels English By Topline Coaching
FREE
4.5
Math Special Course for SSC CGL, CPO, GD All Levels हिन्दी By Topline Coaching 999 5.0

Popular Pages

SAT (Scholastic Assessment Test)

18 followers

Reasoning special by Parwez Alam

148 followers

Study24x7

1225 followers

Henry Harvin

60 followers

CBSE Study Materials

86 followers

Get the App

Download the Study24x7 App, so you can connect and collaborate.

study24x7
study24x7
Most Related Articles