Discrete Math Final Exam Review #1

Let P: I am in Delhi.; Q: Delhi is clean.; then q ^ p(q and p) is?

• Delhi is clean and I am in Delhi

• Delhi is not clean or I am in Delhi

• I am in Delhi and Delhi is not clean

• Delhi is clean but I am in Mumbai

Tags

CCSS.HSS.CP.A.1

Add

• 11    8
  -4     2
• 3     2
  -6    -6
• -3    2
  -4    -6
• 10    8
  -6    2

Multiply

• 1   2
  6   -8
• -3   -5
  -5   -11
• -2     8
  -6   -12
• 2  -3
  5   -2

Tags

CCSS.HSN.VM.C.8

Sandra picks 2 cookies randomly, one after another from a jar of 5 almond cookies, 8 macadamia cookies, 3 walnut cookies and 4 pistachio cookies, to take to school. The probability that she picks a macadamia cookie and then an almond cookie is

• 1/10

• 2/19

• 1/19

• 2/9

p: 5 is a rational number

q: 15 is a prime number

Find p ν q

• 5 is rational number or 15 is a prime number. True

• 5 is rational number or 15 is a prime number. False

• 5 is rational number and 15 is a prime number. True

• 5 is rational number and 15 is a prime number. False

Left Pocket (L) = {pencils, erasers, pens}
Right Pocket (R) = {gloves, paper, coins, phone}
What is L ∪ R?

• ∅
• {pencils, erasers, pens}
• {gloves, paper, coins, phone}
• {pencils, erasers, pens, gloves, paper, coins, phone}

Tags

CCSS.HSS.CP.A.1

Left Pocket (L) = {pencils, erasers, pens}
Right Pocket (R) = {gloves, paper, coins, phone}
What is L ∩ R?

• ∅
• {pencils, erasers, pens}
• {gloves, paper, coins, phone}
• {pencils, erasers, pens, gloves, paper, coins, phone}

Tags

CCSS.HSS.CP.A.1

What is a complement Set A?

• The elements that belong to U

• The elements that belong to U and to set “A”

• The elements that do not belong to U and do not belong to set “A”

• The elements that belong to U and do not belong to set “A”

Tags

CCSS.HSS.CP.A.1

Complement is denoted by

• A′

• A-B

• A∪B

Tags

CCSS.HSS.CP.A.1

Picking a team of three people out of a group of 10.

• Permutation
• Combination
• Neither