venn diagrams

1. In a class of 100 students 50 students passed in mathematics and 70 passed in English 5 students failed in both mathematics and English.

1. How many students passed in both the subjects?

• 25
• 50
• 70
• 5

2.How many students passed in exactly one of the two subjects?

• 5
• 15
• 95
• 70

3.How many students failed in at least one subject?

• 95
• 50
• 75
• 70

_________________________________________________________________________________In a class 30% of the students gave their names to participate in the NSS and 75% to participate in the NCC. Three students participate in neither of these two and six students wanted to participate in both.

1.How many students are there in the class?

• 100
• 75
• 60
• 80

2. What percentage of students wants to participate only in the NSS?

• 30%
• 25%
• 15%
• 20%

3.What percentage of students wants to participate in only one programme-either NSS or NCC?

• 85%
• 90%
• 75%
• 20%

4.How many students want to participate in at least one programme?

• 97
• 87
• 147
• 57