eLitmus Previous Papers with Solutions: pH Test Pattern 2026

The eLitmus pH test is a 150-minute, 60-question assessment that companies use as a standardised resume filter for entry-level engineering and IT roles.

Unlike aptitude rounds embedded in company-specific drives, the pH test is an open market. You take it once, upload the score to your eLitmus profile, and companies search for candidates who clear their stated cutoff. The name pH stands for “potential Hire.”

This article covers the full 2026 test pattern, section-wise sample questions with worked solutions, the IRT scoring model, and a prep plan that addresses the sections first-timers consistently underestimate.

eLitmus pH Test Pattern 2026

The test divides into three equal sections. There is no individual section timer; you control how to split the 150 minutes.

Section	Questions	Topics covered
Quantitative Ability (QA)	20	Number theory, algebra, geometry, percentages, time-speed-distance, work-rate
Problem Solving (PS)	20	Cryptarithmetic, logical puzzles, data sufficiency, arrangements
Verbal Ability (VA)	20	Grammar and error spotting, synonyms and antonyms, reading comprehension, fill-in-the-blank
Total	60	150 minutes

Scoring model. eLitmus uses Item Response Theory (IRT) to assign difficulty weights to each question. A correct answer on a harder question earns more than a correct answer on an easier one. A wrong answer on a harder question also loses more. This has a direct strategic implication: skipping is safer than guessing when you have no solid basis for an answer. A student who solves 14 hard questions correctly can outscore one who ticks 18 easy ones.

The eLitmus score is valid for 2 years from the test date. Companies post their minimum pH score requirements in job listings directly on the eLitmus platform, so you can check eligibility before applying to each opening.

eLitmus Previous Papers: Quantitative Ability

The QA section tests number theory and algebra at a harder level than standard aptitude assessments. The questions below represent the type and difficulty that appear on previous papers.

Last-digit and cyclicity problems are a recurring type:

• Q1: What are the last two digits of 7^45? Options: (a) 07, (b) 23, (c) 49, (d) 43
• Answer: The last two digits of powers of 7 follow a 4-step cycle: 07, 49, 43, 01. Since 45 = (4 × 11) + 1, the position in the cycle is 1. The last two digits of 7^45 are 07.

Factor-count problems require HCF reasoning:

• Q2: How many factors are common to 30^11 and 20^13? Options: (a) 144, (b) 156, (c) 168, (d) 136
• Answer: 30^11 = 2^11 × 3^11 × 5^11. 20^13 = 2^26 × 5^13. HCF = 2^11 × 5^11 = 10^11. Number of factors of 10^11 = (11 + 1)(11 + 1) = 144.

Work-rate problems often involve a changing group size mid-task:

• Q3: A group can complete a task in 24 days. With 7 workers absent, the same task takes 30 days. How many workers actually completed the task? Options: (a) 35, (b) 30, (c) 28, (d) 42
• Answer: Let N = original group size. N × 24 = (N - 7) × 30. Solving: 24N = 30N - 210, so 6N = 210 and N = 35. Workers who completed the task = 35 - 7 = 28.

Algebraic identity problems test one- or two-step deductions:

• Q4: If x + y = 12 and xy = 35, find x^2 + y^2. Options: (a) 74, (b) 84, (c) 64, (d) 94
• Answer: x^2 + y^2 = (x + y)^2 - 2xy = 144 - 70 = 74.

The QA section rewards speed on familiar forms. If cyclicity or factor-count questions take more than 3 minutes per question in practice, that signals a gap in the underlying topic, not just speed.

eLitmus Previous Papers: Problem Solving

The Problem Solving section is where most students leave marks on the table. It tests non-routine reasoning and cryptarithmetic rather than standard aptitude arithmetic. Students who prepare only from AMCAT-level material are often caught off-guard here.

Arrangement and counting problems:

• Q1: In how many ways can 4 people sit in a row such that persons A and B are never adjacent? Options: (a) 12, (b) 14, (c) 16, (d) 18
• Answer: Total arrangements of 4 people in a row = 24. Treating A and B as one block gives 3 units, with 2 internal orderings for A and B: 2 × 6 = 12 adjacent arrangements. Non-adjacent arrangements = 24 - 12 = 12.

Data sufficiency problems ask whether the given statements are sufficient to answer the question:

• Q2: Is integer N divisible by 8? Statement 1: N is divisible by 4. Statement 2: N is divisible by 2. Options: (a) Statement 1 alone is sufficient, (b) Statement 2 alone is sufficient, (c) Both statements together are sufficient, (d) Neither alone nor together is sufficient
• Answer: Divisibility by 4 does not guarantee divisibility by 8 (example: 12 is divisible by 4 but not 8). Divisibility by 2 is weaker still. Combined, the two statements cannot confirm divisibility by 8. Answer: (d).

Cryptarithmetic problems assign unique digits to letters:

• Q3: In SEND + MORE = MONEY, find the value of M. (Each letter represents a unique digit from 0 to 9.)
• Answer: Working through column-by-column carry logic: S=9, E=5, N=6, D=7, M=1, O=0, R=8, Y=2. The value of M = 1.

Cryptarithmetic problems are almost absent from other standard assessments. Dedicated practice on these before the test, not folded into general aptitude prep, gives the largest return on this section.

eLitmus Previous Papers: Verbal Ability

The VA section is the most predictable part of the test. Grammar rules, vocabulary at a standard word-list level, and passage comprehension are the steady components.

Error spotting:

• Q1: Find the grammatical error: “Despite of his hard work, he could not pass the examination.” Options: (a) Despite of, (b) his hard work, (c) he could not pass, (d) No error
• Answer: “Despite” does not take “of” as a preposition. The correct form is “Despite his hard work.” Answer: (a).

Synonyms:

• Q2: Select the synonym of “Adversity.” Options: (a) Hardship, (b) Prosperity, (c) Happiness, (d) Comfort
• Answer: (a) Hardship.

Antonyms:

• Q3: Select the antonym of “Obscure.” Options: (a) Vague, (b) Unclear, (c) Bright, (d) Famous
• Answer: (d) Famous. Obscure means not well-known or unclear; the closest antonym is famous.

Fill in the blank:

• Q4: “The manager was asked to _______ the situation before making a decision.” Options: (a) Access, (b) Assess, (c) Excess, (d) Accept
• Answer: (b) Assess — to evaluate or judge a situation.

Reading comprehension:

• Q5 (passage summary): A scientist discovered a new plant species in the Amazon rainforest with medicinal properties. Deforestation is destroying such species before their benefits are known. What is the main idea? Options: (a) Deforestation is necessary for development, (b) The Amazon is home to many animals, (c) New species with medicinal value are being discovered, but deforestation is a threat, (d) Scientists are not interested in plants
• Answer: (c).

How the pH Score Works and What Companies Look For

The eLitmus pH score is not a raw count of correct answers. It is a difficulty-weighted composite computed from the IRT model, minus penalties for wrong answers. Two students with the same number of correct answers can receive very different pH scores depending on which specific questions they answered correctly.

Companies post their minimum pH score requirements alongside job listings on the eLitmus platform. You can search open roles filtered by your current score to check which openings you are eligible for, without waiting for campus drives or cold-applying.

Scores are reported separately for each section and as a combined total. Some listings specify a minimum combined pH score only; others add a minimum for the QA or PS section, since those are the hardest to boost with broad preparation.

For a side-by-side look at how eLitmus and AMCAT differ in syllabus depth, difficulty, and the companies that use each platform, see the AMCAT vs eLitmus comparison guide.

Section-wise Preparation Strategy

Quantitative Ability. The QA section rewards depth over breadth. The question types are narrow: number theory (cyclicity, last-digit, HCF/LCM, factor counting), algebra (identities, equations), percentages, and time-work problems. Practice 30 to 40 questions per topic type until you can solve standard forms in under 2 minutes. The sample questions above are a reliable calibration of the expected level.

Problem Solving. This is the differentiating section. Cryptarithmetic and non-routine logical puzzles are absent from most other assessments, which means standard aptitude books do not cover them. Allocate separate study sessions for cryptarithmetic, data sufficiency logic, and seating arrangement variants. There is no shortcut; familiarity with the form is the only reliable prep.

Verbal Ability. The VA section is the most predictable. Grammar rules (preposition usage, subject-verb agreement, tense consistency), vocabulary at a GRE-adjacent word-list level, and passage comprehension are the standard fare. If English is your weaker area, 20 to 30 minutes of daily structured reading builds this faster than workbook drills alone.

Time management. Since there is no per-section timer, start with the section where you are most confident, bank those marks, then shift to the harder sections with remaining time. Most students find VA the quickest and use the time saved for additional QA and PS attempts.

For Tier-2 and Tier-3 college students in particular, the eLitmus pH test opens doors to companies that do not visit campus. The platform functions as a job board alongside the assessment: companies post roles, and you apply directly against a stated pH cutoff, with no dependency on your college’s placement cell.

Students who have recently sat the CoCubes assessment will find eLitmus QA and PS harder than that format. The CoCubes test overview covers the differences if you need a calibration reference.

What Problem-Solving Skills Mean Beyond Placement Season

eLitmus tests whether you can work through a hard problem when the answer is not given. The IRT scoring model rewards students who solve the hardest questions correctly over those who mark every easy option. That same logic appears in how companies evaluate AI engineering candidates.

A fresher who has deployed one functional AI tool in a public repository draws more attention from technical interviewers than one who has completed five introductory courses with nothing shipped. The build-first principle is not particular to AI; it is what eLitmus IRT scoring is testing in a different form.

The 2026 AI Roadmap for Indian Engineering Students maps the build path from zero to a deployed project, for students who want to add that layer to their placement preparation. TinkerLLM is the entry point for most, at ₹299 for the first month.