Out of 20 members in a family, 11 like to take tea and 14 like coffee. Assume that each one likes at least one of the two drinks . Find how many like both coffee and tea :
2
3
6
5
NA
In a group of 70 people, 45 speak Hindi, 33 speak English and 10 neither Hindi nor English. Find how many can speak both English as well as Hindi :
15
17
20
18
NA
Out of total 150 students, 45 passed in Accounts, 30 Economics and 50 in Maths, 30 in both Accounts and Maths , 32 in both Maths and Economics, 35 in both Accounts and Economics , 25 students passed in all the three subjects . Find the numbers who passed atleast in any one of the subjects:
53
55
73
None of these
NA
For any two sets A and B \(A \bigcap (B\bigcup C)'\) is equal to
A
B
\(\phi\)
\(A\bigcap B\)
NA
Two finite sets have m and n elements . The number of subsets of the first set is 112 more than of the second . The value of m and n are respectively
4,7
7,4
4,4
7, 7
NA
If n(U) = 50, n (A) = 30, n \((A\bigcap B)\) = 12 and n ((A U B)') = 15, then find n (B - A) .
5
7
10
2
NA
If n(U) = 40, n (A) = 25 and n(B) = 20 , then find the greatest value of n (A U B) .
45
44
40
35
NA
If n (U)= 40, n((A U B)') = 12, n (A - B) = 10 and n(B - A) = 14, then find n\((A \bigcap B)\) .
4
10
2
5
NA
In a group of 50 people two test were conducted , one for diabetes and one for blood pressure. 30 people were diagnosed diabetes and 40 people were diagnosed with high blood pressure . What is the minimum number of people who were having diabetes and high blood pressure ?
10
20
0
40
NA
In a class of 60 students , 45 students like music , 50 students like dancing , 5 students like neither. Then , the number of students in the class who like both music and dancing is
35
40
50
55
NA