Mainspring, inc. Interview Questions Answers, HR Interview Questions, Mainspring, inc. Aptitude Test Questions, Mainspring, inc. Campus Placements Exam Questions

20 common asked question in every interview

Ques:- Asking a Post Graduate in CS student whats your typing speed.

Ques:- Find out the wrong number in a given series.
263, 284, 393, 481, 482

A. 482

B. 481

C. 393

D. 284

Recent Answer : Added by Gifty Samoliane Asiedu On 2022-08-14 16:42:37:

Ques:- A man was engaged on a job for 30 days on the condition that he would get a wage of Rs. 10 for the day he works, but he have to pay a fine of Rs. 2 for each day of his absence. If he gets Rs. 216 at the end, he was absent for work for … days.

Recent Answer : Added by Qhizer On 2021-08-11 07:22:47:

30 days of earning =300 rs
No of days he was absent = x

Equating the abv
300 – 10 x – 2 x = 216
After solving for x you will get 7days

Ques:- You are given a cake; one of its corner is broken. How will u cut the rest into Two equal parts?

Recent Answer : Added by DK BOSS On 2021-07-21 15:27:21:

Slice the cake

Ques:- Why you are looking for change ?

Ques:- There are twelve consecutive flags at an equal interval of distance. A man passes the 8th flag in 8 seconds. How many more seconds will he take to pass the remaining 4 flags?

Recent Answer : Added by DK BOSS On 2021-07-17 06:40:10:

This is more logical …

Let the 1st flag 1 placed at the origin ….
in crossing 8 flags he traveled 7 distances….
s=d/t
=7/8

time for 4 flags t=(d/s)=4/(7/8)=(4*8)/7=4.5714285714285714285714285714286

Ques:- Find out the wrong number in a given series.
445, 221, 109, 46, 25, 11, 4

A. 11

B. 25

C. 46

D. 109

Recent Answer : Added by Naman On 2022-05-17 09:09:01:

C.46
4+7
11+(7*2)
25+(7*2*2)
53+(7*2*2*2)
109+(7*2*2*2*2)…..

Ques:- A train of length 150 m takes 40.5 seconds to cross a tunnel of length of 300 m. The speed of the train (in km/hr) is

A. 13.33

B. 26.67

C. 38.32

D. 40

Recent Answer : Added by memo On 2023-01-10 14:35:10:

Since the total train length passed the tunnel so the distance would be the length of train added to the tunnel legth
D=150+300=450 mt.
speed = distance/time
speed = 450/(40.5/3600)
speed =40,000 mt/sec

Ques:- A can do a piece of work in 15 days and B in 20 days. They began the work together but 5 days before the completion of the work, A leaves. The work was completed in?

Ques:- A merchant has 140 litres, 260 litres, 320 litres of three kinds of oil. He wants to sell the oil by filling the three kinds separately in tins of equal volume. The volume of such a tin will be

A. 13 litres

B. 16 litres

C. 20 litres

D. 70 litres

Recent Answer : Added by anonymous On 2022-03-09 16:38:05:

20 litres
cos
140 280 320 liters oil are exactly fittable in 20 litred tin

Ques:- You are overqualified for this position?

Ques:- What is management round in the interview section

Ques:- The average weight of 25 persons sitting in a boat had some value. A new person added to them whose weight was 46 kg only. Due to his arrival, the average weight of all the persons decreased by 5 kg. Find the average weight of first 25 persons?

Recent Answer : Added by Admin On 2022-09-29 15:59:24:

let the average of 25 person be x

total age of a person=average×no.of person

total age of 25 person=X×25

=25X

when a new person of 46kg come average decrease by 5kg(X-5)

Total age of 26 person =25x+46

Average age of 26 person=X-5

A/Q

.25X+46=26(X-5)

25X+46=26X-130

26X-25X=130+46

X =176

hence the av. of 25 person be 176kg

Ques:- TELL ME SOMETHING ABOUT UR SELF.

Ques:- Have you ever worked for a foreign company before?

Ques:- Find the smallest number in a GP whose sum is 38 and product 1728?

Ques:- 441 : 361 :: 729 : __

Recent Answer : Added by Ram On 2021-12-24 16:17:32:

625

Ques:- In an examination, 80% of the students passed in English, 85% in Mathematics and 75% in both English and Mathematics. If 40 students failed in both the subjects the total number of students is

A. 200

B. 400

C. 600

D. 800

Recent Answer : Added by Phani On 2022-03-09 16:41:44:

Percentage of people passed = (passed in eng) + (passed in math) – ( passed in both)
Which is 90% of students passed and 10% failed
10% of X = 40
X = 400

Ques:- Can you accept bond for 3 years irrespective of your experience ?

Ques:- In a mixture of milk and water, the proportion of milk by weight was 80%. If, in a 180 gm mixture, 36 gms of pure milk is added, what would be the percentage of milk in the mixture formed?

Ques:- Eighteen years ago, a father was three times as old as his son. Now the father is only twice as old his son. Then the sum of the present ages of the son and the father is:

Ques:- Why you want to switch?

Ques:- About me. About my job experience, Technical skills, Special skills, projects, extra activities, ambition, etc

Ques:- You are a bug sitting in one corner of a cubic room. You wish to walk (no flying) to the extreme opposite corner (the one farthest from you). Describe the shortest path that you can walk?

Ques:- A rectangular field has area equal to 150 sq m and perimeter 50 m. Its length and breadth must be?

Recent Answer : Added by polo On 2020-11-19 16:12:30:

b=15,l=10 or b=10,l=15

Ques:- 2 – 2 + 2 – 2 + …… 101 terms = ?

A. 1

B. 2

C. -2

D. None of these

Recent Answer : Added by narendra On 2022-09-18 09:02:08:

Ques:- What three Specific Job Positions do you target from the Company?

Ques:- How do you explain your job success?

Ques:- The average salary of 3 workers is 95 Rs. per week. If one earns Rs.115 and second earns Rs.65 how much is the salary of the 3rd worker.

Recent Answer : Added by Admin On 2020-05-17 12:01:34:

(115+65+x)/3=95
x=105

Ques:- In 60 reems of paper 40 reems were utilised then what percent will remain?

Recent Answer : Added by Admin On 2020-05-17 11:59:18:

Total=60reems
Utilized=40reems
Un utilized= 60-40=20
Percentage of remainder 20/60=.3333
0.33333*100=33.333%

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