SEP 20 2026 LET Reviewer - General Education - Math and Science

 Direction: Choose the letter of the correct answer.

To test your knowledge and understanding, please try ro answer the questions before going to the answers.

Question 1 (Math: Number Theory)

• What is the Least Common Multiple (LCM) of the numbers 12, 18, and 30?
  (A) 180
  (B) 360
  (C) 90
  (D) 60

Question 2 (Math: Percentages)

• A dynamic clothing store offers a 25% seasonal discount on a jacket originally priced at 1,600 pesos. What is the final sale price of the jacket?
  (A) 400 pesos
  (B) 1,350 pesos
  (C) 1,200 pesos
  (D) 1,250 pesos

Question 3 (Math: Ratios)

• The ratio of male teachers to female teachers in a local community high school is 3:5. If there are a total of 120 teachers, how many female teachers are currently employed?
  (A) 45 teachers
  (B) 50 teachers
  (C) 60 teachers
  (D) 75 teachers

Question 4 (Math: Algebra)

• Evaluate the algebraic linear expression and find the value of x if:
  3(x - 4) = 2x + 5
  (A) x = 9
  (B) x = 17
  (C) x = 1
  (D) x = -7

Question 5 (Math: Geometry)

• A rectangular public community classroom layout measures 12 meters in length and 9 meters in width. What is the exact diagonal distance from one corner of the room to the opposite corner?
  (A) 15 meters
  (B) 21 meters
  (C) 108 meters
  (D) 25 meters

Question 6 (Math: Probability)

• A single fair six-sided die is rolled once. What is the probability of rolling a number that is classified as a prime number?
  (A) 1/6
  (B) 1/3
  (C) 1/2
  (D) 2/3

Question 7 (Math: Statistics)

• Find the median of the following structural dataset representing exam scores:
  18, 11, 25, 14, 21, 15, 22
  (A) 15
  (B) 18
  (C) 16.5
  (D) 14

Question 8 (Math: Fractions)

• Simplify the complex fraction operation:
  (2/3) + (1/4) - (1/6)
  (A) 7/12
  (B) 5/6
  (C) 3/4
  (D) 9/12

Question 9 (Math: Sequences)

• What is the next consecutive number in the given arithmetic sequence structural loop:
  5, 11, 17, 23, 29, ____?
  (A) 35
  (B) 34
  (C) 36
  (D) 41

Question 10 (Math: Measurement)

• A water tank has a structural volume layout capacity of 4.5 cubic meters. How many liters of pure water can it hold? (1 cubic meter = 1,000 liters)
  (A) 450 liters
  (B) 45,000 liters
  (C) 4,500 liters
  (D) 450,000 liters

Question 11 (Science: Biology)

• Which blood vessel inside the human cardiovascular system holds the sole responsibility of carrying oxygenated blood away from the heart to the rest of the physical body?
  (A) Veins
  (B) Arteries
  (C) Capillaries
  (D) Venules

Question 12 (Science: Biology)

• In the taxonomical classification of living things, which kingdom consists strictly of multicellular, heterotrophic organisms that absorb nutrients from decaying organic matter?
  (A) Plantae
  (B) Animalia
  (C) Protista
  (D) Fungi

Question 13 (Science: Biology)

• What specific type of symbiotic relationship is demonstrated when an orchid grows safely on the bark of a large tree, getting sunlight without harming or helping the host tree?
  (A) Commensalism
  (B) Mutualism
  (C) Parasitism
  (D) Predation

Question 14 (Science: Chemistry)

• An unknown chemical element has an atomic number of 11 and a mass number of 23. How many neutrons are located inside the nucleus of this atom?
  (A) 11 neutrons
  (B) 23 neutrons
  (C) 12 neutrons
  (D) 34 neutrons

Question 15 (Science: Chemistry)

• Which of the following organic or inorganic processes demonstrates a permanent CHEMICAL change in matter?
  (A) Melting of a heavy block of ice
  (B) Rusting of an iron nail exposed to air
  (C) Dissolving table salt into hot water
  (D) Crushing a piece of chalk into powder

Question 16 (Science: Chemistry)

• What type of strong intramolecular chemical bond is formed when two non-metal atoms completely share their valence electrons to achieve stability?
  (A) Ionic Bond
  (B) Metallic Bond
  (C) Hydrogen Bond
  (D) Covalent Bond

Question 17 (Science: Physics)

• A heavy object travels at a constant velocity of 12 meters per second for a span of exactly 5 seconds. What is the total acceleration rate of the object?
  (A) 0 m/s²
  (B) 60 m/s²
  (C) 2.4 m/s²
  (D) 17 m/s²

Question 18 (Science: Physics)

• Which specific law of motion formulated by Sir Isaac Newton states that "for every action, there is always an equal and opposite reaction"?
  (A) Law of Inertia
  (B) Law of Acceleration
  (C) Law of Interaction
  (D) Law of Universal Gravitation

Question 19 (Science: Physics)

• What thermodynamic method of heat transfer describes the circular movement of thermal energy through fluids (liquids or gases) caused by density differences?
  (A) Conduction
  (B) Convection
  (C) Radiation
  (D) Insulation

Question 20 (Science: Earth Science)

• What type of rock is formed when existing sedimentary or igneous rocks are subjected to intense heat and immense pressure deep underground without melting?
  (A) Intrusive Igneous rock
  (B) Extrusive Igneous rock
  (C) Clastic Sedimentary rock
  (D) Metamorphic rock

Question 21 (Science: Earth Science)

• Which specific layer of the Earth's structural layout is liquid in phase, composed mainly of molten iron and nickel, and generates the planet's magnetic field?
  (A) Outer Core
  (B) Inner Core
  (C) Crust
  (D) Mantle

Question 22 (Science: Earth Science)

• What celestial phenomenon occurs when the Moon passes directly between the Earth and the Sun, completely or partially blocking the solar disk from view?
  (A) Lunar Eclipse
  (B) Solstice
  (C) Solar Eclipse
  (D) Equinox

Question 23 (Science: Astronomy)

• Which planet inside the solar system is widely recognized as the hottest planet due to a dense atmosphere that traps heat through a runaway greenhouse effect?
  (A) Mercury
  (B) Venus
  (C) Mars
  (D) Jupiter

Question 24 (Science: Biology)

• What is the specific cell division mechanism that reduces the chromosome number by half, producing four genetically diverse haploid gamete cells?
  (A) Mitosis
  (B) Binary Fission
  (C) Cytokinesis
  (D) Meiosis

Question 25 (Science: Biology)

• Which enzyme found inside human saliva starts the chemical digestion breakdown of complex carbohydrates or starches into simple sugars?
  (A) Amylase
  (B) Pepsin
  (C) Lipase
  (D) Trypsin

ANSWERS

LET SEP 2026 REVIEWER : PROFESSIONAL EDUCATION

 Question 1 (The Teaching Profession)

• According to the Code of Ethics for Professional Teachers, what is the highest priority or premium responsibility of a license-holder in the Philippines?
  (A) The physical preservation of the school property and structural boundaries.
  (B) The political allegiance to the current ruling municipal administration.
  (C) The total alignment with personal financial business gains.
  (D) The holistic development, safety, and welfare of the learners.

Question 2 (Legal Foundations)

• Which specific landmark national piece of legislation officially regularized and institutionalized the professionalization of teaching in the Philippines, creating the Board for Professional Teachers under the PRC?
  (A) Republic Act 7836
  (B) Presidential Decree 1006
  (C) Republic Act 4670
  (D) Batas Pambansa Blg. 232

Question 3 (The Teaching Profession)

• A teacher discovers that a co-teacher is spreading false, defamatory rumors about the school principal on social media. What is the ethical obligation of the teacher under the Code of Ethics?
  (A) Share and amplify the post to increase community awareness.
  (B) Submit a formal, signed grievance or report to the proper school authorities through legitimate channels.
  (C) Confront the co-teacher physically inside the classroom premises during class hours.
  (D) Ignore the issue entirely to protect personal workplace peace.

Question 4 (Social Dimensions of Education)

• When a public school teacher actively designs a curriculum context that respects and incorporates the unique indigenous values, traditions, and languages of minority ethnic groups, which sociological concept is being applied?
  (A) Cultural Assimilation
  (B) Cultural Relativism
  (C) Cultural Imperialism
  (D) Ethnocentrism

Question 5 (Historical Foundations)

• During the American colonial period in the Philippines, what was the primary educational objective enforced by the arrival of the Thomasites?
  (A) The training of native citizens for immediate bureaucratic self-governance and English literacy.
  (B) The massive enforcement of strict Roman Catholic religious doctrines.
  (C) The structural introduction of military defense strategies.
  (D) The preservation of Spanish aristocratic agricultural trades.

Question 6 (Legal Foundations - Magna Carta)

• Under Republic Act 4670, otherwise known as the Magna Carta for Public School Teachers, what is the maximum number of hours of actual classroom teaching that a teacher can be required to render per day?
  (A) 8 hours
  (B) 5 hours
  (C) 6 hours
  (D) 4 hours

Question 7 (Social Dimensions)

• Which sociological pillar of education focuses heavily on the development of social skills, empathy, international understanding, and international peace among diverse groups of human beings?
  (A) Learning to Do
  (B) Learning to Live Together
  (C) Learning to Know
  (D) Learning to Be

Question 8 (The Teaching Profession)

• Can a professional licensed teacher engage in partisan political campaign activities or openly endorse a specific local municipal candidate inside the school classroom during official work hours?
  (A) Yes, because teachers have complete academic freedom to influence the youth.
  (B) No, because teachers shall not use their official position or authority to influence the political actions of other people, especially students.
  (C) Yes, provided the candidate promises to increase the local school budget allocations.
  (D) No, unless the school principal explicitly grants written permission to do so.

Question 9 (Philosophical Foundations)

• Teacher Maria structures her daily classroom schedule around fixed core subjects, standard textbook concepts, and timeless values that have survived for generations. Which educational philosophy does she lean toward?
  (A) Progressivism
  (B) Essentialism
  (C) Perennialism
  (D) Existentialism

Question 10 (Social Dimensions)

• What is the primary function of schools according to the structural-functionalist perspective of sociology?
  (A) To perpetuate economic inequalities and social division between classes.
  (B) To socialize individuals and maintain social stability, order, and equilibrium within society.
  (C) To trigger radical revolutions and dismantle existing state infrastructures.
  (D) To isolate students from real-world community environments.

Question 11 (The Teaching Profession)

• A business company approaches a public school teacher offering a 10% cash commission for every student who purchases their private textbook brand. Under the Code of Ethics, is the teacher allowed to accept this agreement?
  (A) Yes, because teachers deserve extra financial income to support their families.
  (B) No, a teacher shall not accept any remuneration or commission from any commercial interest that has direct transactions with the school.
  (C) Yes, provided the textbooks are aligned with the DepEd curriculum guidelines.
  (D) No, unless the commission is split evenly with the local PTA officials.

Question 12 (Legal Foundations)

• Which legal mandate explicitly protects children in the school environment against all forms of child abuse, exploitation, discrimination, and corporal punishment by institutional authority figures?
  (A) DepEd Order No. 40, s. 2012 (Child Protection Policy)
  (B) Republic Act 7836
  (C) Presidential Decree 603
  (D) Executive Order No. 292

Question 13 (Social Dimensions)

• What sociological term describes the unconscious or unspoken values, behavioral codes, and institutional biases that students learn in school simply by existing in the classroom culture, outside the official written curriculum?
  (A) Explicit Curriculum
  (B) Vocational Tracks
  (C) Hidden Curriculum
  (D) Core Competencies

Question 14 (Historical Foundations)

• During the pre-Spanish era in the Philippines, how was education primarily transmitted or passed down to the native youth of the early barangays?
  (A) Through formal universities established by the sultanates.
  (B) Informal, decentralized, and practical vocational training by parents and tribal elders.
  (C) Through written textbook correspondence programs.
  (D) Strict classroom structures supervised by Spanish friars.

Question 15 (The Teaching Profession)

• According to Article IV of the Code of Ethics, a teacher is viewed as a facilitator of learning. What type of community behavior is expected of a professional teacher outside the school?
  (A) Isolation from local political and social activities of the barangay.
  (B) Leadership and active participation in community movements for civic improvement.
  (C) Creating exclusive businesses that profit off the local neighborhood residents.
  (D) Criticizing local traditions that do not align with modern city lifestyles.

Question 16 (Legal Foundations - Magna Carta)

• If a public school teacher is assigned by the principal to teach for 8 actual classroom hours in a single day due to a critical teacher shortage, how must the extra 2 hours be legally compensated under RA 4670?
  (A) Compensated with regular basic salary only.
  (B) Granted an additional compensation of at least 25% of the teacher's regular basic salary.
  (C) No extra compensation is allowed since teachers are public servants.
  (D) Rewarded with public service certificates of commendation.

Question 17 (Social Dimensions)

• Which of the following scenarios best demonstrates the concept of the "Global Teacher" inside the modern classroom setup?
  (A) A teacher who focuses strictly on local traditional farming methods.
  (B) A teacher who possesses global digital awareness, respects diverse cultures, and uses international teaching standards.
  (C) A teacher who only allows English-speaking foreign materials inside the class.
  (D) A teacher who holds multiple foreign passports and travel visas.

Question 18 (Philosophical Foundations)

• In a student-centered classroom, the teacher actively encourages learners to solve real-world problems through experimentation, scientific inquiry, and direct social interaction. This structural method leans heavily on which philosophy?
  (A) Realism
  (B) Essentialism
  (C) Progressivism
  (D) Idealism

Question 19 (Legal Foundations - Constitution)

• According to Article XIV of the 1987 Philippine Constitution, what type of academic curriculum must be integrated into all educational institutions nationwide to foster national identity?
  (A) The study of civics, patriotism, nationalism, and appreciation of the role of national heroes.
  (B) Purely international economic market systems.
  (C) Foreign political ideologies and language scripts.
  (D) Industrialized technology maintenance programs only.

Question 20 (The Teaching Profession)

• When a professional teacher accepts a teaching contract with a private school, what is their ethical obligation regarding the duration of that contract?
  (A) They can abandon the school anytime a higher-paying job becomes available outside.
  (B) They must fulfill the contract duration and execute it with complete professional integrity, unless released by mutual agreement.
  (C) They should minimize their working speed if they feel the salary is too low.
  (D) They can assign a substitute person to take over their classes without informing the manager.

Question 21 (Social Dimensions)

• What sociological concept describes the profound condition of anxiety, disorientation, and confusion experienced by an individual when suddenly exposed to an unfamiliar cultural environment or lifestyle?
  (A) Xenocentrism
  (B) Cultural Shock
  (C) Cultural Lag
  (D) Subculture

Question 22 (Legal Foundations)

• Under Republic Act 7836, what is the legal penalty for an individual who practices professional teaching in the Philippines without holding a valid Certificate of Registration and Professional License from the PRC?
  (A) A simple verbal warning from the school principal.
  (B) Permanent disqualification from entering any government building.
  (C) A fine or imprisonment, or both, as determined by the court under criminal liability.
  (D) Confiscation of all college diplomas and transcripts.

Question 23 (Philosophical Foundations)

• Which philosophy of education claims that reality is subjective and that individuals are completely responsible for defining their own purpose, values, and meaning in life through free choice?
  (A) Existentialism
  (B) Perennialism
  (C) Realism
  (D) Behaviorism

Question 24 (Social Dimensions)

• When a society experiences a situation where its technological and scientific advancements move much faster than its moral, ethical, and legal values can adapt, what sociological phenomenon is occurring?
  (A) Cultural Transmission
  (B) Cultural Diffusion
  (C) Cultural Lag
  (D) Acculturation

Question 25 (The Teaching Profession)

• Under Article VIII of the Code of Ethics, how should a professional teacher legally and morally handle confidential official information or student records obtained during their practice?
  (A) Share the student's records with neighbors during casual conversations.
  (B) Use the confidential information to blackmail difficult parents.
  (C) Post the student's grades publicly on personal social media walls.
  (D) Never reveal confidential information unless to proper authorities with official legal/academic necessity.