Trusted by 1M+ worldwide IIF CERTIFIED International Intelligence Federation

40 questions. 30 minutes. Score out of 40.

Five parts of eight questions: inference, recognizing assumptions, deduction, interpretation and evaluating arguments. Each question gives you a short passage and one statement to judge, using only what the passage says. You have 30 minutes, about 45 seconds a question. The answer choices change from part to part, so read the last line of each question. Your score out of 40 appears as soon as you finish.

40 QUESTIONS

30′ MINUTES

5 DOMAINS

4.8 RATING

IIF certified 100% anonymous Instant score No sign-up

Abstract Reasoning

A city library extended its weekday opening hours in March, closing at 9 p.m. instead of 6 p.m. Over the next three months, weekday evening visits rose sharply, and staff reported that most of the new evening visitors were students preparing for exams. Inference: Before March, the library closed at 6 p.m. on weekdays. Using only the passage and common knowledge, how true is this inference?

Select an option to continue

Abstract Reasoning

A city library extended its weekday opening hours in March, closing at 9 p.m. instead of 6 p.m. Over the next three months, weekday evening visits rose sharply, and staff reported that most of the new evening visitors were students preparing for exams. Inference: The library also extended its weekend opening hours in March. Using only the passage and common knowledge, how true is this inference?

Select an option to continue

Abstract Reasoning

A bakery chain tested a new rye loaf in five of its twenty stores for one month. In those five stores the rye loaf sold out by noon on most days, while sales of the chain's best-selling white loaf stayed the same. Store managers called the trial a success, but the chain has not yet decided whether to sell the rye loaf in its other stores. Inference: The rye loaf would sell well in at least some of the other fifteen stores. Using only the passage and common knowledge, how true is this inference?

Select an option to continue

Abstract Reasoning

A bakery chain tested a new rye loaf in five of its twenty stores for one month. In those five stores the rye loaf sold out by noon on most days, while sales of the chain's best-selling white loaf stayed the same. Store managers called the trial a success, but the chain has not yet decided whether to sell the rye loaf in its other stores. Inference: The chain will decide to stop making the rye loaf. Using only the passage and common knowledge, how true is this inference?

Select an option to continue

Abstract Reasoning

In a survey of 400 employees at a software company, 70 percent of those who worked from home at least two days a week said they were satisfied with their jobs, compared with 55 percent of those who worked from home less often. Each employee chose their own working pattern. Inference: More than half of the surveyed employees said they were satisfied with their jobs. Using only the passage and common knowledge, how true is this inference?

Select an option to continue

Abstract Reasoning

In a survey of 400 employees at a software company, 70 percent of those who worked from home at least two days a week said they were satisfied with their jobs, compared with 55 percent of those who worked from home less often. Each employee chose their own working pattern. Inference: Working from home caused the higher job satisfaction. Using only the passage and common knowledge, how true is this inference?

Select an option to continue

Abstract Reasoning

A regional train company reports that 92 percent of its trains arrived no more than five minutes late last year, up from 85 percent the year before. During last year, the company also added four minutes to the timetabled journey time on its busiest line. Inference: The improvement in punctuality was due entirely to better train operation. Using only the passage and common knowledge, how true is this inference?

Select an option to continue

Abstract Reasoning

A regional train company reports that 92 percent of its trains arrived no more than five minutes late last year, up from 85 percent the year before. During last year, the company also added four minutes to the timetabled journey time on its busiest line. Inference: A larger share of the company's trains arrived more than five minutes late last year than the year before. Using only the passage and common knowledge, how true is this inference?

Select an option to continue

Visual Perception

Statement: "We should print the safety guide in both English and Spanish so that all of our staff can read it." Proposed assumption: Some of our staff read Spanish more easily than English. Does the statement take this for granted?

Select an option to continue

Visual Perception

Statement: "We should print the safety guide in both English and Spanish so that all of our staff can read it." Proposed assumption: Most of our staff cannot read English. Does the statement take this for granted?

Select an option to continue

Visual Perception

Statement: "Book your train tickets online this week, because the fares go up on Monday." Proposed assumption: It is possible to book the tickets online. Does the statement take this for granted?

Select an option to continue

Visual Perception

Statement: "Book your train tickets online this week, because the fares go up on Monday." Proposed assumption: Booking this week secures the fare from before the rise. Does the statement take this for granted?

Select an option to continue

Visual Perception

Statement: "The new reading program must be working: reading scores at our school rose this year." Proposed assumption: Reading scores will keep rising next year. Does the statement take this for granted?

Select an option to continue

Visual Perception

Statement: "The new reading program must be working: reading scores at our school rose this year." Proposed assumption: Nothing other than the program is likely to explain the rise in scores. Does the statement take this for granted?

Select an option to continue

Visual Perception

Statement: "Our main competitor has cut its prices, so we must cut ours too, or we will lose customers." Proposed assumption: Customers never compare prices before they buy. Does the statement take this for granted?

Select an option to continue

Visual Perception

Statement: "Our main competitor has cut its prices, so we must cut ours too, or we will lose customers." Proposed assumption: Cutting our prices will make us more profitable. Does the statement take this for granted?

Select an option to continue

Analytical Thinking

Premises: All of the company's delivery vans are electric. Every electric vehicle at the company is charged overnight in the depot. Proposed conclusion: Every vehicle charged in the depot is a delivery van. Taking the premises as true, does the conclusion necessarily follow?

Select an option to continue

Analytical Thinking

Premises: All of the company's delivery vans are electric. Every electric vehicle at the company is charged overnight in the depot. Proposed conclusion: The company's delivery vans are charged overnight in the depot. Taking the premises as true, does the conclusion necessarily follow?

Select an option to continue

Analytical Thinking

Premises: No one who missed the safety briefing may operate the forklift. Some of the warehouse staff missed the safety briefing. Proposed conclusion: Everyone who attended the safety briefing may operate the forklift. Taking the premises as true, does the conclusion necessarily follow?

Select an option to continue

Analytical Thinking

Premises: No one who missed the safety briefing may operate the forklift. Some of the warehouse staff missed the safety briefing. Proposed conclusion: None of the warehouse staff may operate the forklift. Taking the premises as true, does the conclusion necessarily follow?

Select an option to continue

Analytical Thinking

Premises: Some of the firm's managers are engineers. All of the firm's engineers completed the data course. Proposed conclusion: Some of the firm's managers completed the data course. Taking the premises as true, does the conclusion necessarily follow?

Select an option to continue

Analytical Thinking

Premises: Some of the firm's managers are engineers. All of the firm's engineers completed the data course. Proposed conclusion: At least one of the firm's engineers is a manager. Taking the premises as true, does the conclusion necessarily follow?

Select an option to continue

Analytical Thinking

Premises: If the shipment arrives by Thursday, the store will open on Saturday. The store will not open on Saturday. Proposed conclusion: The shipment has been canceled. Taking the premises as true, does the conclusion necessarily follow?

Select an option to continue

Analytical Thinking

Premises: If the shipment arrives by Thursday, the store will open on Saturday. The store will not open on Saturday. Proposed conclusion: The shipment will not arrive by Thursday. Taking the premises as true, does the conclusion necessarily follow?

Select an option to continue

Pattern Recognition

A hospital counted falls on its wards for six months before and six months after installing brighter night lighting. There were 48 falls in the six months before and 30 in the six months after. The number of patients and staff was about the same in both periods. Proposed conclusion: Fewer falls were recorded in the six months after the new lighting than in the six months before. Taking the passage as true, does this conclusion follow beyond a reasonable doubt?

Select an option to continue

Pattern Recognition

A hospital counted falls on its wards for six months before and six months after installing brighter night lighting. There were 48 falls in the six months before and 30 in the six months after. The number of patients and staff was about the same in both periods. Proposed conclusion: The number of recorded falls dropped by more than a third. Taking the passage as true, does this conclusion follow beyond a reasonable doubt?

Select an option to continue

Pattern Recognition

A town asked residents to rate its new bus service. Of the 600 people who replied, 450 rated it good or very good. The survey was sent only to residents who held a monthly bus pass. Proposed conclusion: Most of the town's residents are happy with the new bus service. Taking the passage as true, does this conclusion follow beyond a reasonable doubt?

Select an option to continue

Pattern Recognition

A town asked residents to rate its new bus service. Of the 600 people who replied, 450 rated it good or very good. The survey was sent only to residents who held a monthly bus pass. Proposed conclusion: Most of the people who replied rated the service good or very good. Taking the passage as true, does this conclusion follow beyond a reasonable doubt?

Select an option to continue

Pattern Recognition

Over five years, the number of tourist visits to a coastal town rose every year, and so did the number of restaurants. The town council says the new restaurants attracted the extra tourists. Proposed conclusion: The new restaurants were the main reason that tourist visits rose. Taking the passage as true, does this conclusion follow beyond a reasonable doubt?

Select an option to continue

Pattern Recognition

Over five years, the number of tourist visits to a coastal town rose every year, and so did the number of restaurants. The town council says the new restaurants attracted the extra tourists. Proposed conclusion: The number of restaurants rose because more tourists were visiting. Taking the passage as true, does this conclusion follow beyond a reasonable doubt?

Select an option to continue

Pattern Recognition

In a trial, 200 volunteers with mild back pain were randomly assigned either to a daily stretching program or to no program. After eight weeks, the stretching group reported less pain, on average, than the other group. Proposed conclusion: Because the groups were assigned at random, the difference is unlikely to come from the kind of people who chose to stretch. Taking the passage as true, does this conclusion follow beyond a reasonable doubt?

Select an option to continue

Pattern Recognition

In a trial, 200 volunteers with mild back pain were randomly assigned either to a daily stretching program or to no program. After eight weeks, the stretching group reported less pain, on average, than the other group. Proposed conclusion: Daily stretching cures mild back pain. Taking the passage as true, does this conclusion follow beyond a reasonable doubt?

Select an option to continue

Spatial Orientation

Question: Should the company give every employee a reusable water bottle to reduce plastic waste? Argument: No; some employees might prefer a different color of bottle. Treating the argument as true, is it strong (important and directly related to the question) or weak?

Select an option to continue

Spatial Orientation

Question: Should the company give every employee a reusable water bottle to reduce plastic waste? Argument: Yes; staff currently throw away hundreds of single-use plastic bottles every week. Treating the argument as true, is it strong (important and directly related to the question) or weak?

Select an option to continue

Spatial Orientation

Question: Should the city build a protected bike lane on its main shopping street? Argument: Yes; bike lanes are popular in some other countries. Treating the argument as true, is it strong (important and directly related to the question) or weak?

Select an option to continue

Spatial Orientation

Question: Should the city build a protected bike lane on its main shopping street? Argument: No; the lane's painted markings would need refreshing every few years. Treating the argument as true, is it strong (important and directly related to the question) or weak?

Select an option to continue

Spatial Orientation

Question: Should a large firm ask every job applicant to take a short skills test? Argument: Yes; the firm's own study found that skills-test scores predicted how well people performed in the job. Treating the argument as true, is it strong (important and directly related to the question) or weak?

Select an option to continue

Spatial Orientation

Question: Should a large firm ask every job applicant to take a short skills test? Argument: No; the test would add two weeks to hiring, and the firm is already losing good candidates to faster competitors. Treating the argument as true, is it strong (important and directly related to the question) or weak?

Select an option to continue

Spatial Orientation

Question: Should a school replace printed textbooks with tablets? Argument: Yes; tablets are a more modern technology than printed books. Treating the argument as true, is it strong (important and directly related to the question) or weak?

Select an option to continue

Spatial Orientation

Question: Should a school replace printed textbooks with tablets? Argument: No; a third of the school's families have no internet at home, and the tablets need it for homework. Treating the argument as true, is it strong (important and directly related to the question) or weak?