A and B are two sets such that n (A - B ) = 14 + x, n( B - A ) = 3 x and n( A ∩ B ) = xgiven that n( A ) = n( B ).Calculate the numerical value of x
14
7
8
5
In a school of 20 teachers, 10 teach French 8 teach German and teach Spanish, 2 teach French and German but none German and Spanish.How many teach only German ?
2
4
6
In a group of 50 studnets, 25 play hockey and 30 play foot ball. Find the number of students who play both hockey and foot ball.
10
15
In a school there are 15 teachers who teach Mathematics or Physics. Out of these 9 teach Mathematics and 3 teach both the subjects. Find the number of teachers who teach Physics?
3
9
12
Of 41 people, each rides a bicycle ordrives a car. 10 of them drive a car but do not ride a bicycle. 5 of them ride a bicycle but do nto drive a car. How many drive both ?
26
30
16
36
A sports club has 25 members out of which 15 play tennis, 14 play badminton and 8 play both games. How many do not play either game ?
Of the 100 members of a sports club, 48 play squash ( S ), 45 play badminton ( B ), 52 play table tennis ( T ). 18 play squash and table tennis, 21 play badminton and table tennis, 15 play squash and badminton. Each member plays atleast one game and x members play all the three games.Find the members who play only squash.
20
24
A club has 24 members of whom 16 play chess, 14 play bridge and a play both games. How many do not play either game ?
In a group of 50 students, 25 play hockey, 30 play football and 8 play neither game. Find the number of students who play both hockey and foot ball.
42
13
In the given diagram, A - B is _______.
{ 5, 7, 8 }
{ 1, 2, 7 }
{ 1, 2 }
{ 1, 2, 5, 7, 8 }
