Question

There are 24 children in a school. 14 play football, 10 play cricket and n play neither. By drawing a venn diagram, find
(a) the smallest possible value of n
(b) the largest possible value of n

Answer 1

a) 0

Answer 2

b) 10

Answer 3

This is for the previous question.

Answer 4

And your answers are incorrect.

Answer 5

okay largest possible value - 7?

Answer 6

Above are the Venn Diagrams for this question.

Answer 7

The answers are (a) 2 and (b) 12.

Answer 8

how? o.O :(

Answer 9

are there 24 or 26 children?

Answer 10

OH. Sorry. I typed it wrong. The number of children is 26.

Answer 11

But in accordance with 24 children, your answers were correct. Sorry, my bad!

Answer 12

its alright do uhve any other question like this..? i am disturbing u too much :(

Answer 13

No, it's alright! :)
Ok, solve this one.
Twos sets A and B are such that n(A)=11 and n(B)=6. Given that n(universal)=15, find
(a) the smallest possible value of n(A intersection B)
(b) the largest possible value of n(AUB) '

Answer 14

a) 2

Answer 15

b) 4

Answer 16

Correct! Well done! "

Answer 17

LOL....thanks alot sis, if this question comes tomorrow i will owe u alot :)

Answer 18

No problem. BTW, do you know any short way to write in set notation the area which is shaded in the figure?

Answer 19

nope, have to think and then write..

Answer 20

It takes time. O.o But it's okay!

Answer 21

Ok, can you sketch a graph of this equation :
\[y=\left| x ^{2} -4\right|\]

Answer 22

For values x is greater than equal to -3 and less than equal to 3.

Answer 23

yes write the coordinates
X -2 -1 0 1 2 3
x^2 4 1 0 1 4 9
-4 -4 -4 -4 -4 -4 -4
y 0 -3 -4 -3 0 5

Answer 24

sorry for the bad quality!