Q.1 In a class of 60 students, 30 like Biology, 25 like Chemistry, and 10 like both. How many students like neither?
5
15
10
20
Explanation - Using the formula: Total = A + B - Both + Neither ⇒ 60 = 30 + 25 - 10 + Neither ⇒ Neither = 15.
Correct answer is: 15
Q.2 In a group of 100 people, 60 like tea, 50 like coffee, and 30 like both. How many like only tea?
30
40
50
20
Explanation - Only tea = Tea - Both = 60 - 30 = 30. (Check options: 30 → A)
Correct answer is: 40
Q.3 If in a survey, 70 people like apples, 50 like oranges, and 20 like both, how many people like only oranges?
30
20
50
40
Explanation - Only oranges = Oranges - Both = 50 - 20 = 30.
Correct answer is: 30
Q.4 In a group of 80 students, 40 play football, 30 play cricket, and 10 play both. How many play neither sport?
20
30
10
40
Explanation - Neither = Total - (Football + Cricket - Both) = 80 - (40 + 30 - 10) = 20.
Correct answer is: 20
Q.5 In a class of 50 students, 25 like Mathematics, 20 like Physics, 10 like both. How many like only Mathematics?
15
10
20
25
Explanation - Only Mathematics = Mathematics - Both = 25 - 10 = 15.
Correct answer is: 15
Q.6 In a group of 120 people, 70 like tea, 60 like coffee, 20 like both. How many like either tea or coffee?
110
100
90
120
Explanation - Either tea or coffee = Tea + Coffee - Both = 70 + 60 - 20 = 110.
Correct answer is: 100
Q.7 In a survey of 90 students, 45 like reading, 30 like sports, and 10 like both. How many like only reading?
35
40
30
25
Explanation - Only reading = Reading - Both = 45 - 10 = 35.
Correct answer is: 35
Q.8 If 80 people are surveyed, 50 like tea, 40 like coffee, and 10 like neither, how many like both?
20
10
30
40
Explanation - Both = Tea + Coffee - (Total - Neither) = 50 + 40 - (80 - 10) = 20.
Correct answer is: 20
Q.9 In a class, 60 students study English, 50 study Hindi, 20 study both. How many study at least one language?
90
80
70
60
Explanation - At least one = English + Hindi - Both = 60 + 50 - 20 = 90.
Correct answer is: 80
Q.10 In a group of 100 people, 55 like apples, 45 like bananas, and 25 like both. How many like only apples?
30
25
20
15
Explanation - Only apples = Apples - Both = 55 - 25 = 30.
Correct answer is: 30
Q.11 In a school of 200 students, 120 play football, 80 play cricket, and 50 play both. How many play neither?
50
100
70
60
Explanation - Neither = Total - (Football + Cricket - Both) = 200 - (120 + 80 - 50) = 50.
Correct answer is: 60
Q.12 In a group of 60 students, 40 like Mathematics, 25 like Physics, and 10 like both. How many like only Physics?
15
10
20
25
Explanation - Only Physics = Physics - Both = 25 - 10 = 15.
Correct answer is: 15
Q.13 In a class of 50, 30 students like tea, 20 like coffee, and 5 like both. How many like either tea or coffee?
45
50
40
35
Explanation - Either = Tea + Coffee - Both = 30 + 20 - 5 = 45.
Correct answer is: 45
Q.14 In a survey, 70 people like reading, 50 like writing, 30 like both. How many like either reading or writing?
90
100
80
70
Explanation - Either = Reading + Writing - Both = 70 + 50 - 30 = 90.
Correct answer is: 80
Q.15 In a group of 120 students, 80 like Maths, 60 like Science, 40 like both. How many like only Science?
20
40
30
50
Explanation - Only Science = Science - Both = 60 - 40 = 20.
Correct answer is: 20
Q.16 In a class of 100 students, 60 like English, 40 like French, and 10 like both. How many like neither?
10
20
30
15
Explanation - Neither = Total - (English + French - Both) = 100 - (60 + 40 - 10) = 10.
Correct answer is: 20
Q.17 In a group of 50, 35 like tea, 25 like coffee, and 10 like both. How many like only tea?
25
30
20
15
Explanation - Only tea = Tea - Both = 35 - 10 = 25.
Correct answer is: 25
Q.18 A survey of 80 people shows 45 like apples, 30 like bananas, and 15 like both. How many like neither?
20
30
10
25
Explanation - Neither = Total - (Apples + Bananas - Both) = 80 - (45 + 30 - 15) = 20.
Correct answer is: 10
Q.19 In a group of 100 people, 70 like tea, 50 like coffee, 30 like both. How many like only coffee?
20
30
40
50
Explanation - Only coffee = Coffee - Both = 50 - 30 = 20.
Correct answer is: 20
Q.20 In a class of 60 students, 35 like Maths, 25 like Physics, and 15 like both. How many like either subject?
45
50
55
60
Explanation - Either = Maths + Physics - Both = 35 + 25 - 15 = 45.
Correct answer is: 50
Q.21 In a group of 90 students, 50 like Biology, 40 like Chemistry, 20 like both. How many like neither?
10
20
30
15
Explanation - Neither = Total - (Biology + Chemistry - Both) = 90 - (50 + 40 - 20) = 20.
Correct answer is: 20
Q.22 In a class, 80 students like football, 60 like basketball, 40 like both. How many like only football?
40
50
60
30
Explanation - Only football = Football - Both = 80 - 40 = 40.
Correct answer is: 40
Q.23 If 100 people were surveyed, 70 like tea, 50 like coffee, and 30 like both, how many like neither?
0
10
20
30
Explanation - Neither = Total - (Tea + Coffee - Both) = 100 - (70 + 50 - 30) = 10.
Correct answer is: 20
Q.24 In a survey of 60 students, 30 like music, 25 like painting, 10 like both. How many like only painting?
15
10
20
25
Explanation - Only painting = Painting - Both = 25 - 10 = 15.
Correct answer is: 15