Question

In a survey of 75 people, it was found that 32 people read newspaper A, 30 read newspaper B and 31
read newspaper C. 12 read both A and B, 14 read both Band C, 10 read both C and A, 5 read all the three
newspapers.
46. The number of people who read at least one of the newspapers but not all the three is
1) 57
2) 75
3) 62
4) 36
47. The number of people who read none of the newspapers is
1)0
2) 13
3) 62
4) 57
48. The number of people who read at least one of the newspapers is
1) 57
2) 75
3) 62
4) 36
49. The number of people who read exactly two of the newspapers is
1) 26
2)9
3) 12
4)21
50. The number of people who read exactly one of the newspapers is
1)15
2)9
3) 12
4) 36

Answer 1

Answer:

1.62

2.0

3.57

4.26

5.9

Step-by-step explanation:

Answer 2

Answer:

What are the Laws of Friction? ... The friction of the moving object is proportional and perpendicular to the normal force. The friction experienced by the object is dependent on the nature of the surface it is in contact with. Friction is independent of the area of contact as long as there is an area of contact.