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Quarter 2 Module 9: Deductive and Inductive Reasoning

Quiz by Rose Ann Salayon

Grade 8
Mathematics
Philippines Curriculum: Grades K-10 (MELC)

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Grade 8
Mathematics
Philippines Curriculum: Grades K-10 (MELC)

M8GE-IIh-1

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10 questions
Show answers
  • Q1

    A number is divisible by 9 if the sum of the digits is divisible by 9. The sum of the digits in 5832 is 18. Therefore 5832 is divisible by 9. Which of the following numbers are divisible by 9?

    G. 9546                       E. 5598                O. 1784                  M. 7281

    G & E

    O & M

    E & O

    E & M

    60s
    M8GE-IIh-1
  • Q2

    Full-fat dairy products and fatty meats are examples of foods that are loaded with saturated fat and which trigger the body to produce cholesterol. Which of the following conclusions is most valid?

    Therefore, people with stomach problems should avoid full-fat dairy products and fatty meats.

    Therefore, people with hypertension should avoid full-fat dairy products and fatty meats.

    Therefore, people with hypertension should eat full-fat dairy products and fatty meats.

    Therefore, people with diabetes should eat full-fat dairy products and fatty meats.

    60s
    M8GE-IIh-1
  • Q3

    Belle loves to read fairy tales. The book I will give her as birthday gift contains fairy tales. Which of the following conclusions is most valid?

    Therefore, I expect Belle to be happy about my gift.

    Therefore, I expect Belle to be sad about my gift.

    Therefore, I expect Belle to be mad about my gift.

    Therefore, I expect Belle to be confused about my gift.

    60s
    M8GE-IIh-1
  • Q4

    If the water level in La Mesa Dam is very low, there is insufficient supply of water in Metro Manila. What would be the most valid conclusion if the water level in La Mesa Dam is low?

    There is insufficient supply of water supply in Metro Manila

    There is sufficient supply of electric power in Metro Manila.

    There is sufficient supply of water in Metro Manila B. There is insufficient supply of electric power in Metro

    60s
    M8GE-IIh-1
  • Q5

    In a triangle, if one side is longer than the other side, the angle opposite the longer side is greater than the angle opposite the shorter side. In ΔXYZ, XY is greater than XZ. Therefore _______________________.

    ∠X > ∠Y

    ∠Z > ∠Y

    ∠Y > ∠Y

    ∠Z = ∠X

    60s
    M8GE-IIh-1
  • Q6

    Which of the following conclusion will make the argument valid?” If the students are smart, then they will study. The students are not smart. Therefore_______”

    Students will not study

    Students make mistakes

    Students are not human

    Teachers make mistake.

    120s
    M8GE-IIh-1
  • Q7

    What is the most valid conclusion in the given argument 

    If teachers are efficient,

    then they do not make mistakes.

    Teachers make mistake.

    Therefore _____ .

    Teachers are human.

    Teachers are not efficient

    Students will study.

    Teachers are efficient

    120s
    M8GE-IIh-1
  • Q8

    What law of valid reasoning is illustrated in the argument

    If teachers are efficient,

    then they do not make mistakes.

    Teachers make mistake.

    Therefore teachers are not efficient.

    Law of Syllogism

    Law of Indirect Reasoning

    Law of Detachment

    None of the Three laws of valid Reasoning

    120s
    M8GE-IIh-1
  • Q9

    What law of valid reasoning is illustrated in the argument,

    “If the students are smart then the teachers are efficient. If the teachers are efficient then the students will study. Therefore, if the students are smart, then they will study”?

    Law of Syllogism

    None of the Three laws of valid Reasoning

    Law of Indirect Reasoning

    Law of Detachment

    120s
    M8GE-IIh-1
  • Q10

    Using the Law of Syllogism, what conclusion will make this argument valid

    “If the consecutive sides of a parallelogram are congruent, then the parallelogram is a rhombus. If the parallelogram is a rhombus then its diagonals are perpendicular bisector of each other”. Therefore, _________.

    if the consecutive sides of a parallelogram are congruent, then its diagonals are perpendicular bisector of each other.

    if a parallelogram is a rhombus, then its consecutive sides are congruent.

    if the diagonals of a parallelogram are perpendicular bisector of each other, then it is a rhombus.

    if a parallelogram is a rhombus, then its diagonals bisect each other.

    120s
    M8GE-IIh-1

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