Sunday, May 6, 2007

MATH QUESTION OF THE DAY

If in a certain school 20 students are taking math and 10 are taking history and 7 are taking
both, how many students are taking either math or history?
(A) 20 (B) 22 (C) 23 (D) 25 (E) 29

5 comments:

mohan said...

c

hash said...

i think C

Anonymous said...

its c

Unknown said...

c is the aswer bcoz P(A U B)=P(A)+P(b)-P(A n B)

Anonymous said...

C