Infosys – Aptitude Questions & Answers for Placement Tests

Reviewing Previous Year Questions is a good start. Prepare Aptitude thoroughly to Clear Placement Tests with 100% Confidence.

Q.1 Six students P, Q, R, S, T, and U are sitting in a row facing North. 1. Q sits to the immediate right of S. 2. P sits second to the left of Q. 3. U is not at any end. 4. R sits to the immediate left of P. 5. T does not sit at any end and is not next to Q. Which of the following is/are true? (Choose two correct solutions)

Check Solution

Ans: C

From 1 & 2: R P Q From 4: R P Q From 5: T cannot be next to Q. From 3: U is not at the end. Therefore, the arrangement must be: U R P Q T S or S T Q P R U (one is incorrect due to rule 5) So, the arrangement should be S T R P Q U Then the two true statements are Q is at the extreme right end. and R sits to the immediate left of P.

Q.2 Four friends, Priya, Rohan, Sameer, and Tanya, are each assigned a different subject for their school project: History, Science, Math, and English. They also each have a different favorite color: Red, Blue, Green, and Yellow, not necessarily in the same order. The following information is known: Priya loves the color Red but is not working on the History project. Sameer is working on the Math project. The person who loves the color Green is working on the Science project. Tanya does not like the color Blue and is not working on the English project. Who is working on the History project?

Check Solution

Ans: D

1. Sameer is doing Math. 2. The person with Green is doing Science. 3. Priya loves Red. 4. Tanya doesn’t like Blue and isn’t doing English. Since Sameer is doing Math and the person with Green is doing Science, and Tanya can’t be doing English, Tanya’s project must be History, and Rohan must be doing English. Since Tanya is doing History, and Priya can’t be doing History, and Rohan is doing English, this means Rohan’s color is Blue, and Green is the science subject, which leaves Priya with the yellow color.

Q.3 P, Q, R, S, and T are sitting in a row. S and T are at the ends of the row. Q is to the immediate left of T. R is to the immediate left of S. Which of the following statements is definitely true?

Check Solution

Ans: C

Since S and T are at the ends, and Q is to the left of T and R is to the left of S, the only possible order is R S P Q T. Therefore, P is sitting between S and Q.

Q.4 A baker is making a cake for a party. He wants to know how much flour to use. The cake recipe calls for flour and sugar. Statement 1: The recipe requires twice as much flour as sugar, and the baker has a total of 6 cups of flour and sugar combined. Statement 2: The baker needs to use 4 cups of flour.

Check Solution

Ans: D

Statement 1 allows you to calculate the amounts of flour and sugar. Statement 2 directly tells you the amount of flour.

Q.5 A shopkeeper sells a product. Which of the following statements would be sufficient to determine the profit percentage? Statement I: The cost price of the product is $100. Statement II: The selling price of the product is $120.

Check Solution

Ans: B

Both the cost price and selling price are needed to calculate profit percentage.

Q.6 Four friends, Priya, Rohan, Shreya, and Virat, are discussing their favorite fruits. They each like a different fruit: Apple, Banana, Cherry, and Date, not necessarily in that order. It is known that: Priya doesn’t like Apple or Date. Rohan likes Cherry. Shreya doesn’t like Banana. Virat likes Date. Who likes Apple?

Check Solution

Ans: C

Rohan likes Cherry, Virat likes Date, Priya cannot like Date or Apple. Therefore, Shreya must like Apple.

Q.7 Two friends, X and Y, start a business together, investing equal amounts. Which statement is sufficient to determine the total investment? Statement I: X’s share was $500 more than the profit they made in the first month. Statement II: Y received a profit of $2500 after the first month.

Check Solution

Ans: B

Statement I is insufficient because we do not know the profit amount. Statement II is insufficient because we only know Y’s profit, not the total profit, so we don’t know their share. Statement II does give us the value of profit.

Q.8 Four friends – Priya, Rohan, Sameer, and Trisha – are planning a trip. They can choose to go to either the beach, the mountains, or a city. They also each have a preferred activity: swimming, hiking, or sightseeing. However, each friend has different preferences. Priya dislikes the mountains. Rohan wants to swim. Sameer prefers sightseeing but dislikes the city. Trisha loves the mountains. Which of the following statements is true?

Check Solution

Ans: D

1. Rohan wants to swim, so he won’t go sightseeing or hiking. 2. Sameer prefers sightseeing, so he won’t swim or hike, and since he dislikes the city, he must be going to the beach or the mountains. 3. Trisha loves the mountains. 4. Priya dislikes the mountains. 5. Since Sameer dislikes the city, he will either go to the beach. 6. Based on the information we can deduce that Rohan is going to the beach because Sameer is not going to the city or mountains. 7. This also helps us deduce that Trisha will go to the mountains because Priya doesn’t want to. 8. Since Trisha will be going to the mountains, and Rohan will be going to the beach, this means that Priya will have to go to the city because she doesn’t like the mountains and Rohan will be swimming. 9. Therefore, because Priya is not going to the mountains, and Trisha will go to the mountains, Priya is not going to the beach or the mountains.

Q.9 A detective is trying to identify the culprit in a theft case. There are four suspects: John, Mary, Kevin, and Sarah. Which of the following statements is sufficient for the detective to determine the culprit? Statement I: John and Mary have alibis. Statement II: Kevin was seen near the crime scene, and Sarah was out of town.

Check Solution

Ans: B

Statement I eliminates John and Mary. Statement II implicates Kevin and eliminates Sarah. Thus, Kevin is the culprit.

Q.10 Which of these statements is sufficient to determine the cost of a single pen? Statement I: 5 pens and 3 pencils cost $14, and a pencil costs $2. Statement II: 7 pens cost $2 more than 4 pencils.

Check Solution

Ans: B

Statement I allows us to determine the cost of a pen, and statement II does not provide enough info.

Q.11 Five students P, Q, R, S, and T are standing in a row. 1. S is standing to the right of T. 2. P is standing to the left of Q. 3. R is standing to the right of Q. 4. T is standing to the left of P. Which of the following order is possible?

Check Solution

Ans: B

Combining all the clues, the correct order is T, P, Q, R, S

Q.12 What number should replace X in the following series? 12, 24, 36, X, 60, 72

Check Solution

Ans: B

The series consists of multiples of 12: 12*1, 12*2, 12*3, 12*4, 12*5, 12*6. Therefore X should be 48.

Q.13 A family has three generations: Grandpa George, his son David, and David’s daughter Emily. Sarah is the mother of Tom, and Tom is the nephew of Emily. If Sarah is not related to George, how is David related to Sarah?

Check Solution

Ans: D

Since Tom is Emily’s nephew, Tom’s parent must be a sibling of Emily or married to Emily’s sibling. As Sarah is Tom’s mother and not related to George, David must be the uncle of Tom. Thus, David is Sarah’s husband.

Q.14 In a line of students, Arun is 12th from the front and Rohan is 20th from the back. If there are 5 students between Arun and Rohan, what is the minimum possible number of students in the line?

Check Solution

Ans: C

Minimum occurs when Arun and Rohan are close to each other. 12 + 20 – 5 -2 = 25

Q.15 In a line of 40 students, Sarah is 15th from the front. What is Sarah’s position from the back of the line?

Check Solution

Ans: C

Total students – Sarah’s position from the front + 1 = Sarah’s position from the back. 40 – 15 + 1 = 26

Q.16 A shopkeeper bought a certain number of apples. 20% of the apples were found to be rotten. He sold 25% of the remaining apples. If 180 apples are still left with him, how many apples did he initially buy?

Check Solution

Ans: B

Let x be the initial number of apples. After removing rotten apples, the remaining apples are 0.8x. He sold 25% of the remaining, so 75% (0.75) of 0.8x apples are left. Thus, 0.75 * 0.8x = 180. 0.6x = 180. x = 180 / 0.6 = 300.

Q.17 A shopkeeper sells a shirt for Rs 630, including a 5% sales tax. What was the original price of the shirt before tax?

Check Solution

Ans: B

Let the original price be x. Then x + 0.05x = 630. This simplifies to 1.05x = 630. Therefore, x = 630 / 1.05 = 600.

Q.18 What will be the 4th number in the series of numbers given below? 8, 27, 64, ?

Check Solution

Ans: A

The series consists of cubes of consecutive integers: 2^3=8, 3^3=27, 4^3=64, 5^3=125

Q.19 A train 200 meters long crosses a platform in 25 seconds. The train is moving at a speed of 72 kmph. The length of the platform is:

Check Solution

Ans: A

Speed of train = 72 kmph = 72 * (5/18) m/s = 20 m/s. Distance covered in 25 seconds = 20 * 25 = 500 meters. Length of platform = 500 – 200 = 300 meters.

Q.20 A survey of 2000 people was conducted regarding their preferred mode of transportation. It was found that 15% preferred public transport. Of those who didn’t prefer public transport, 60% preferred private cars. If 400 people preferred other modes of transport besides public transport and private cars, how many people preferred private cars?

Check Solution

Ans: B

People who didn’t prefer public transport = 2000 * (1 – 0.15) = 1700. People who preferred private cars = 1700 – 400 = 1300. People who preferred private cars = 1300* 0.60= 1020

Q.21 A bag contains marbles numbered from 10 to 50. If a marble is drawn at random, what is the probability that the marble chosen has a number which is a prime number?

Check Solution

Ans: C

Total marbles = 50 – 10 + 1 = 41. Prime numbers between 10 and 50 are: 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47. There are 11 prime numbers. Probability = 11/41.

Q.22 If a committee of 5 people is to be formed from a group of 8 men and 6 women, how many different committees can be formed if the committee must have exactly 3 men?

Check Solution

Ans: B

The number of ways to choose 3 men from 8 is 8C3 = 56. The number of ways to choose 2 women from 6 is 6C2 = 15. Therefore, the total number of committees is 56 * 15 = 840.

Q.23 A retailer sold a shirt at a 20% profit. If the cost price of the shirt was increased by 10% and the selling price was increased by Rs. 10, the profit percentage would be 15%. What was the original cost price of the shirt?

Check Solution

Ans: B

Let the original cost price be ‘x’. Selling price = 1.2x. New cost price = 1.1x. New selling price = 1.2x + 10. Profit % = (1.2x + 10 – 1.1x) / 1.1x * 100 = 15. Therefore, (0.1x + 10)/1.1x = 0.15. 0.1x + 10 = 0.165x. 0.065x = 10. x = 10/0.065 = 200.

Q.24 A train travels 480 km in 6 hours. A bus travels at an average speed 20 kmph less than the train. How much distance will the bus cover in 9 hours?

Check Solution

Ans: A

Train speed = 480/6 = 80 kmph. Bus speed = 80 – 20 = 60 kmph. Distance covered by bus in 9 hours = 60 * 9 = 540 km.

Q.25 Two trains, P and Q, start simultaneously from stations X and Y, respectively, towards each other. Train P travels at 60 kmph, and train Q travels at 75 kmph. When they meet, it is observed that train P has covered 60 km less than train Q. What is the distance between stations X and Y?

Check Solution

Ans: B

Let the time taken by both trains to meet be ‘t’ hours. Distance covered by P = 60t, Distance covered by Q = 75t. 75t – 60t = 60 => 15t = 60 => t = 4 hours. Distance covered by P = 60 * 4 = 240 km, Distance covered by Q = 75 * 4 = 300 km. Total distance = 240 + 300 = 540 km.

Q.26 The sentence below contains an error in punctuation. “The company’s new marketing strategy; focuses on social media, email campaigns, and content creation.” Which of the following is the most grammatically correct version?

Check Solution

Ans: C

The correct option should use a colon after the word focuses on or just use a sentence that avoids the semicolon.

Q.27 Which word is most nearly opposite in meaning to the word “ubiquitous”?

Check Solution

Ans: B

Ubiquitous means existing or being everywhere at the same time; widespread. Therefore, the opposite would be rare.

Q.28 The given sentence is grammatically incorrect. She is taller than any girl in our class. Which of these choices is the grammatically correct alternative for the same?

Check Solution

Ans: A

The correct sentence structure requires the use of “other” to exclude the subject from the comparison.

Q.29 The company’s profits ……… significantly after the new CEO took over.

Check Solution

Ans: B

The sentence requires the past tense of the verb “increase” to describe the completed action.

Q.30 Complete the sentence with the most appropriate words. The detective……the clues, and……the mystery.

Check Solution

Ans: A

The sentence requires the detective to have performed both actions. “Examined” and “solved” are the correct past tense verbs to complete the sentence.

Q.31 The given sentence has a spelling mistake. The new recieve was designed by a team of experts. Which of these choices is the correctly spelled alternative for the same?

Check Solution

Ans: B

The correct spelling of the word is “receive”.

Q.32 Which of these choices can be used to complete the below given sentence? ‘The company’s profits _______ significantly due to the economic downturn.’

Check Solution

Ans: B

The sentence requires a word indicating a negative impact on profits.

Q.33 Choose the word that best completes the sentence: The detective, known for his meticulous attention to detail, found the seemingly _____ clue to be the key to solving the case.

Check Solution

Ans: A

The detective would likely consider a small and harmless clue (innocuous) as crucial.

Q.34 The company is planning (to launch) a new product next month.

Check Solution

Ans: A

The correct idiom is “to launch” something.

Q.35 The project team, along with the project manager, are presenting their findings, and the data suggest a significant improvement in sales figures.

Check Solution

Ans: A

The subject is “team”, which is singular, so the verb should be “is”.

Q.36 Select the word segment that substitutes (replaces) the bracketed word segment correctly and completes the sentence meaningfully. Select the option ‘no’ correction ‘required’ if the sentence is correct as given. (Despite the rain, but we enjoyed) the outdoor concert.

Check Solution

Ans: D

The sentence needs to express contrast, and “Despite the rain, we enjoyed” is the correct and most concise form.

Q.37 A large number of train accidents are caused due to derailment of trains.

Check Solution

Ans: B

The statement highlights the problem of train derailments. All the courses of action aim to address this problem. Option A is a long-term solution. Option B is a general, good approach. Option C is specific to problematic tracks. Option D supports better track maintenance. While all could be valid, Option B is the most comprehensive in addressing the issue.

Q.38 (The company’s new policy, which has just been announced, affect all employees), regardless of their department.

Check Solution

Ans: A

The correct verb form to use is “affects,” which is singular and agrees with the singular subject “policy.”

Q.39 The company announced that it is going to launch a new product, that will revolutionize the market.

Check Solution

Ans: A

The word “that” after “product” is unnecessary.

Q.40 Choose the word that is most nearly opposite in meaning to “ephemeral”.

Check Solution

Ans: C

The opposite of ephemeral (short-lived) is permanent.

Q.41 The company’s profits have dramatically increased last year, due to their successful marketing campaign.

Check Solution

Ans: A

The phrase “last year” indicates a past time, so the present perfect tense “have increased” is incorrect. It should be simple past tense: “increased”.

Q.42 The company’s decision to downsize its workforce was met with _______ from the employees who were losing their jobs.

Check Solution

Ans: B

Consternation means feelings of anxiety or dismay, typically at something unexpected. The employees would be dismayed at losing their jobs.

Q.43 In the question one statement is given, followed by two inferences, I and II. You have to consider the statement to be true even if it seems to be at variance from commonly known facts. You have to decide which of the given inferences, if any, follows from the given statement. Statement: All Glarks are Frazzles. Some Frazzles are Bumbles. Inference: I. All Glarks are Bumbles. II. Some Glarks are Bumbles.

Check Solution

Ans: D

The statement establishes a relationship between Glarks, Frazzles, and Bumbles. However, it does not provide information to conclude I. It does allow for the possibility in II, but doesn’t make it a definitive conclusion.

Q.44 Select the word segment that substitutes (replaces) the bracketed word segment correctly and completes the sentence meaningfully. Select the option ‘no correction required’ if the sentence is correct as given. The teacher told the students (to not make noise in the library).

Check Solution

Ans: C

The correct construction is “told someone not to do something”.

Q.45 The company’s financial performance this quarter was surprisingly positive, a stark ______ to the predictions made by industry analysts.

Check Solution

Ans: B

The sentence implies a difference between the company’s performance and the analysts’ predictions. “Contrast” best reflects this difference.

Q.46 Which number should replace the question mark in the series: 5, 9, 18, 34, ?

Check Solution

Ans: A

The pattern is +4, +9, +16, which are consecutive perfect squares. Therefore the next number should be 34 + 25 = 59

Q.47 If the product of the digits of a number 4R2 is 24, then R is ____.

Check Solution

Ans: C

4 * R * 2 = 24. Therefore, 8 * R = 24. So, R = 3.

Q.48 The missing number in the sequence : 4, 9, 16, 25, ?, 49 is ___.

Check Solution

Ans: C

The sequence consists of the squares of consecutive natural numbers: 2^2, 3^2, 4^2, 5^2, 6^2, 7^2. The missing number is 6^2 which is 36.

Next: Integreon Aptitude Questions

Refer Company wise Aptitude Questions

Practice 1000s of Aptitude Questions with Answers for Quant, Reasoning & Verbal