Aptitude Interview Questions and Answers in 2025 (100+ Q&A)

Aptitude Project Leader/ Project Manager

Ques:- There is a room with a door (closed) and three light bulbs. Outside the room there are three switches, connected to the bulbs. You may manipulate the switches as you wish, but once you open the door you can't change them. Identify each switch with its bulb.

Asked In :-

Right Answer:
1. Turn on the first switch and leave it on for about 10 minutes.
2. After 10 minutes, turn off the first switch and turn on the second switch.
3. Immediately go into the room.

- The bulb that is on corresponds to the second switch.
- The bulb that is off but warm corresponds to the first switch.
- The bulb that is off and cool corresponds to the third switch.

Comments

DK BOSS Jul 30, 2021

Turn on a switch and leave it for some ten minutes. Turn it off, turn a second one on and open the door and go into the room. The glowing bulb corresponds to second switch. The bulb that is hot corresponds to first switch, as it was turned on for ten minutes and have heated up. The cold and not-glowing bulb corresponds to the third switch

Aptitude Team Lead/ Tech Lead

Ques:- The egg vendor calls on his first customer and sells half his eggs and half an egg. To the second customer, he sells half of what he had left and half an egg and to the third customer he sells half of what he had then left and half an egg. By the way he did not break any eggs. In the end three eggs were remaining . How many total eggs he was having ?

Asked In :- Miller & Carter,

Right Answer:
The vendor had 7 eggs initially.

Comments

Deepesh Parmar Dec 10, 2021

Aptitude Tech Architect

Ques:- Every day a cyclist meets a train at a particular crossing .The road is straight before the crossing and both are travelling in the same direction.Cyclist travels with a speed of 10 kmph.One day the cyclist come late by 25 minutes and meets the train 5 km before the crossing.What is the speed of the train?

Asked In :-

Right Answer:
The speed of the train is 60 kmph.

Aptitude Project Leader/ Project Manager

Ques:- A long, long time ago, two Egyptian camel drivers were fighting for the hand of the daughter of the sheik of Abbudzjabbu. The sheik, who liked neither of these men to become the future husband of his daughter, came up with a clever plan: a race would dete

Asked In :-

Right Answer:
The sheik decided to have a race between the two camel drivers to determine who would win his daughter's hand.

Aptitude Project Leader/ Project Manager

Ques:- Tom has three boxes with fruits in his barn: one box with apples, one box with pears, and one box with both apples and pears. The boxes have labels that describe the contents, but none of these labels is on the right box. How can Tom, by taking only one p

Asked In :-

Right Answer:
Tom should take one fruit from the box labeled "Apples and Pears." Since the labels are all wrong, this box must contain only one type of fruit. If he pulls out an apple, then this box contains only apples, and the box labeled "Pears" must contain both fruits. The remaining box, labeled "Apples," must then contain only pears. If he pulls out a pear, the logic follows similarly.

Aptitude Crm Analyst Erp

Ques:- A vessel is full of liquid. From the vessel, 1/3rd of the liquid evaporates on the first day. On the second day 3/4th of the remaining liquid evaporates. What fraction of the volume is present at the end of the second day

Asked In :- LuxuryEscapes, pru life uk, jcf, vtiger, milkbasket, indovance inc, excelsior research, advantage communications, analytical wizards,

Right Answer:
The fraction of the volume present at the end of the second day is 1/12.

Comments

Padmashree J Aug 23, 2021

1/6

Ajay Vignesh Navaneetha Krishnan Aug 19, 2021

1/6th of rhe end day

Aptitude Team Lead/ Tech Lead

Ques:- There are 7 letters A,B,C,D,E,F,GAll are assigned some numbers from 1,2 to 7.B is in the middle if arranged as per the numbers.A is greater than G same as F is less than C.G comes earlier than E.Which is the fourth letter

Asked In :- UTS Consultants,

Right Answer:
D

Comments

DK Mar 9, 2022

CORRECT ANS : B

vaishnavi Apr 7, 2021

Aptitude Project Leader/ Project Manager

Ques:- Jarius and Kylar are playing the game. If Jarius wins, then he wins twice as many games as Kylar. If Jarius loses, then Kylar wins as the same number of games that Jarius wins. How many do Jarius and Kylar play before this match?

Asked In :-

Right Answer:
They play 3 games before this match.

Comments

sk Aug 14, 2022

5 (3+2)
if he wins then it becomes 4 double than 2
and if looses then opponent becomes 3 which is equal.

Aptitude Web Designer

Ques:- In a Park, N persons stand on the circumference of a circle at distinct points. Each possible pair of persons, not standing next to each other, sings a two-minute song ? one pair immediately after the other. If the total time taken for singing is 28 minutes, what is N?

Asked In :-

Right Answer:
N = 8

Comments

Admin Sep 29, 2022

Total number of pairs is NC2^{N}C_2NC2. Number of pairs standing next to each other = N. Therefore, number of pairs in question = NC2^{N}C_2NC2 - N = 28/2 = 14. If N = 7,
7C2 - 7 = 21 - 7 = 14....
N =7

Aptitude Software Developer/ Programmer

Ques:- Give two dice – one is a standard dice, the other is blank (nothing painted on any of the faces). The problem is to paint the blank dice in such a manner so that when you roll both of them together, the sum of both the faces should lie between 1 and 12. Numbers from 1-12 (both inclusive) equally likely.

Asked In :-

Right Answer:
Paint the blank die with the numbers 1, 2, 3, 4, 5, and 6 on its faces. This way, when you roll both dice, the sums will range from 2 (1+1) to 12 (6+6), covering all sums from 2 to 12. To achieve sums from 1 to 12, you can consider the blank die as contributing a 0 when rolled, allowing for the possibility of achieving a sum of 1 when the standard die shows 1.

Comments

Sonali Nov 17, 2020

Aptitude Database Administrator (dba)

Ques:- Raj has a jewel chest containing Rings, Pins and Ear-rings. The chest contains 26 pieces. Raj has 2 and 1/2 times as many rings as pins, and the number of pairs of earrings is 4 less than the number of rings. How many earrings does Raj have?…

Asked In :-

Right Answer:
Raj has 6 earrings.

Comments

King11 Mar 18, 2022

6 pairs of earrings. So 12 earrings.

The total has to be 26, so let’s say there’s 6 pairs of earrings and the number of pairs has to be 4 less than the number of rings. So that would make 10 rings. The 10 rings has to be 2 1/2 greater than the number of pins. So you would divide 10/2.5 = 4 Pins. That would equate to a total of 12 earrings, 10 rings, and 4 pins. A total of 26 pieces.

Aptitude Crm Technical Consultant Erp

Ques:- If I walk with 30 miles/hr i reach 1 hour before and if i walk with 20 miles/hr i reach 1 hour late. Find the distance between 2 points and the exact time of reaching destination is 11 am then find the speed with which it walks.

Asked In :- SEW, Zaggle, PitchBook, HappyFox, Cvent India, Expedia Group, brussels airlines, mobile shop, nitor infotech, eims,

Right Answer:
The distance between the two points is 60 miles, and the speed at which I walk to reach exactly at 11 am is 25 miles/hr.

Aptitude Project Leader/ Project Manager

Ques:- There are four dogs/ants/people at four corners of a square of unit distance. At the same instant all of them start running with unit speed towards the person on their clockwise direction and will always run towards that target. How long does it take for them to meet and where?

Asked In :-

Right Answer:
They will meet at the center of the square in 1 unit of time.

Comments

Camile Sep 15, 2022

They'll never meet unless some of them stop and other continue to run

Aptitude Project Leader/ Project Manager

Ques:- Given a collection of points P in the plane , a 1-set is a point in P that can be separated from the rest by a line, .i.e the point lies on one side of the line while the others lie on the other side. The number of 1-sets of P is denoted by n1(P)….

Asked In :-

Right Answer:
The number of 1-sets of a collection of points P in the plane is equal to the number of points in P that can be separated from the others by a line.

Aptitude Crm Analyst Erp

Ques:- Sam and Mala have a conversation. Sam says I am certainly not over 40. Mala says I am 38 and you are atleast 5 years older than me. Now, Sam says you are atleast 39. All the statements by the two are false. How old are they really?

Asked In :- Cross Country Infotech, Absyz Software Consulting, Altius Customer Services, 24-7, AFEX Group, vee technologies, flatworld solutions, personal capital, mouri tech, csm technologies,

Right Answer:
Sam is 34 years old and Mala is 33 years old.

Aptitude Software Developer/ Programmer

Ques:- Consider a series in which 8 teams are participating. each team plays twice with all other teams. 4 of them will go to the semi final. How many matches should a team win, so that it will ensure that it will go to semi finals.?

Asked In :-

Right Answer:
A team should win at least 5 matches to ensure a spot in the semi-finals.

Aptitude Web Designer

Ques:- Jack and his wife went to a party where four other married couples were present. Every person shook hands with everyone he or she was not acquainted with. When the handshaking was over, Jack asked everyone, including his own wife, how many hands they shook?

Asked In :- AHEX TECHNOLOGIES, Mind Infotech, Talencia LLC, valuemomentum,

Right Answer:
Jack's wife shook hands with 8 people.

Aptitude Software Developer/ Programmer

Ques:- In a country where everyone wants a boy, each family continues having babies till they have a boy. After some time, what is the proportion of boys to girls in the country? (Assuming probability of having a boy or a girl is the same)

Asked In :-

Right Answer:
The proportion of boys to girls in the country will be 1:1.

Comments

Swadesh Choudhary Oct 7, 2022

The probability that a child will be born male on any given day is always 1/2.

Suppose:
In any time period, the family making out babies and half boys and another half girls then, In the next time period: half the families turn themselves off and again the half remaining families making out the babies which repeat the first period.

Aptitude Team Lead/ Tech Lead

Ques:- An escalator is descending at constant speed. A walks down and takes 50 steps to reach the bottom. B runs down and takes 90 steps in the same time as A takes 10 steps. How many steps are visible when the escalator is not operating.Â

Asked In :-

Right Answer:
The number of visible steps when the escalator is not operating is 150 steps.

Aptitude Tech Architect

Ques:- A car is travelling at a uniform speed. The driver sees a milestone showing a 2-digit number. After travelling for an hour the driver sees another milestone with the same digits in reverse order. After another hour the driver sees another milestone containing the same two digits. What is the average speed of the driver.

Asked In :-

Right Answer:
The average speed of the driver is 60 km/h.

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