Reference no: EM132858031

1. Jack is taking a picture of Jim, Kate, Mike and Dave. In how many ways can the four children stand on a line if Jim will always be first?

a) 6
b) 10
c) 12
d) 8

2. A survey involves opinionated responses of 100 students from a selection of 28,500. What is the margin of error used by the researcher?

a) ± 10%
b) ± 9%
c) ± 8%
d) ± 7%

3. The following biconditional propositions are not false except:

a) polygon is a triangle if and only if it is a three-sided figure.
b) Two lines are parallel only if they are equidistant.
c) x = 2 or x = - 2, iff x^2 = 4.
d) Two numbers are equal if their squares are equal.

4. Peter is 10 years older than his youngest sister. Three years from now, the sum of their ages will be 28. How old is Peter?

a) 12 years old
b) 16 years old
c) 13 years old
d) 14 years old

5. A father's age is 5 years more than 4 times his son's age. In 5 years, he will be 3 times his son's age then. How old is the son now?

a) 8 years old
b) 6 years old
c) 7 years old
d) 5 years old

6. In a room, chairs are arranged so that each row has the same number. If Ana sits 3rd from the front and 5th from the back, 6th from the left and 2nd from the right, how many chairs are there?

a) 40
b) 49
c) 54
d) 60

7. Which among the following pairs of statements (separated by & )are logically equivalent?

a) If you are a Dean's Lister, then your average grade is not lower than 2.00. & If your average grade is not lower than 2.00, then you are a Dean's Lister.
b) You are a Dean's Lister whenever your average grade is not lower than 2.00 & Your average grade is lower than 2.00 whenever you are a Dean's Lister.
c) If I have money, then I will watch a movie. & If I will not watch a movie, then I do not have money.
d) I will watch a movie whenever I have money. & If I will watch a movie, then I have money.