Oshkosh did a study of the colors used in African national flags. He found that 38 flags have red, 20 have blue, 13 have both red and blue, and 8 have neither red nor blue. How
many flags
a. have red but not blue?
b. have blue but not red?
c. were included in the study?
Submitted by: Administratorn(r)=38
n(b)=20
n(r & b) = 13
n(r+b) = n(r)+n(b)-n(r&b)
= 38+20-13
= 45 (flags with either red or blue)
total flags(study) = 45 + 8(neither red nor blue) = 53
red not blue = 38-13 = 25
blue not red = 20-13 = 7
Submitted by: Administrator
n(b)=20
n(r & b) = 13
n(r+b) = n(r)+n(b)-n(r&b)
= 38+20-13
= 45 (flags with either red or blue)
total flags(study) = 45 + 8(neither red nor blue) = 53
red not blue = 38-13 = 25
blue not red = 20-13 = 7
Submitted by: Administrator
Read Online General Aptitude Job Interview Questions And Answers
Top General Aptitude Questions
☺ | What is the pattern for MAQ Software company? |
☺ | What is ETP? |
☺ | 0, 7, 26, 63, 124, __? |
☺ | What is the next number in the series 3,26,15,124,? |
Top School Education Categories
☺ | Mathematics Interview Questions. |
☺ | GMAT Interview Questions. |
☺ | Metallurgy Interview Questions. |
☺ | Polio Eradication Officer Interview Questions. |
☺ | Physical Education Interview Questions. |