Keystone technologies Interview Questions, Process, and Tips

Ques:- What was the best achievement you had so far?
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:- A man spends half of his salary on household expenses, 1/4th for rent, 1/5th for travel expenses, the man deposits the rest in a bank. If his monthly deposits in the bank amount 50, what is his monthly salary ?(a) Rs.500(b) Rs.1500(c) Rs.1000(d) Rs. 900
Recent Answer : Added by DK BOSS On 2021-07-17 06:22:58:

option c is the answer
as
1/2 for household
1/4 for rent
1/5 for travel
remaining for deposit in bank(i.e) 1/2+1/4+1/5=19/20 ; 1-19/20=1/20
so 1/20 for deposit
1/20(x)=50
hence x=1000
option c is the answer

Ques:- There are two circles, one circle is inscribed and another circle is circumscribed over a square. What is the ratio of area of inner to outer circle?
Recent Answer : Added by Paul Gotti On 2022-08-14 16:28:42:

1:2

Ques:- A sum of money at simple interest amounts to Rs. 815 in 3 years and to Rs. 854 in 4 years. The sum is?
Recent Answer : Added by Shitoshe Wangatia On 2021-12-11 15:07:20:

Simple interest Formula:
A=P(1+rt)
Therefore,
815=P(1+3r)
P+3r=815

854=P(1+4r)
P+4r=854
Solve the sums using Elimination method.
P+4r=854
P+3r=815
r=39.
Toget Principal
P+4r=854
P+4*39=854
P=854-117
P=698

Ques:- If s(a) denotes square root of a, find the value of s(12+s(12+s(12+ …… upto infinity.
Ques:- INDUSTRY & STRIKE
Ques:- A school has 30% students from Maharashtra .Out of these 20% are Bombey students. Find the total percentage of Bombay?
Recent Answer : Added by Alimam Ali On 2022-04-02 06:59:13:

66.66%

Ques:- A 16 story building has 12000ft on each floor. Company A rents 7 floors and company B rents 4 floors. What is the number of square feet of unrented floor space?
Recent Answer : Added by arjun On 2021-12-09 18:40:02:

60000

Ques:- Are you ready to relocate with your immediate family to United States as a new employee?
Ques:- Open universities are generally known for imparting :
A. elitist education
B. specialised education
C. distance education
D. general education
Ques:- In what ways do you use math in your daily life?
Ques:- Candidate personal profile
Ques:- What job position are you currently holding with yourcurrent employer?
Ques:- What have you done to improve your knowledge in the last year?
Ques:- In your opinion, what is the most beautiful math equation ever derived?
Recent Answer : Added by Admin On 2020-05-17 12:01:49:

obvious
e^(i*pi) + 1 = 0

Ques:- The age of father 10 years ago was thrice the age of his son. Ten years hence, father’s age was five times the age of the son. After 6 years, son’s age will be:
Ques:- How many degrees there between the two hands of a clock at 3:15?
Recent Answer : Added by J. Cody Stockwell On 2022-08-14 16:36:03:

The hour hand advances between individual numbers as the minute hand makes a full path around the hour. The hour hand was pointing directly at 3 at 3:00, but at 3:15 it has advanced 1/4 of the way between 3 and 4. The number of degrees between numbers 30 (because 360/12). That gives you 30/4 = 7.5. The number of degrees between the two hands is 7.5 degrees.

Ques:- You have 8 balls. One of them is defective and weighs less than others. You have a balance to measure balls against each other. In 2 weighings how do you find the defective one?
Recent Answer : Added by Admin On 2020-05-17 12:04:12:

CASE 1: First we should take six balls divided equally and
then it is placed on the two pans.three on one and three on
other..
if the two pans are balanced then the defective ball is not
in the six..then we should the two and keep them one ball
on each.
CASE2: Again We should take any of the six balls and
divided equally and then it is placed on the two pans.. if
any of the pan weighs less than the other.. We should take
the three balls seperately..Now from that three we should
take any two and placed one on each.. fi both the pan
balances the ball which is left over is the defective.. if
one ball weighes less than the other,while keeping one on
each,then it is the defective one….

Ques:- Pandit Birju Maharaj is a well known :
A. Kathak dancer
B. Tabla Master
C. Sarod Master
D. Noneof these
Ques:- A computer printer produced 176,400 lines in a given day. If the printer was in operation for seven hours during the day, how many lines did it print per minute?
Recent Answer : Added by Admin On 2020-05-17 12:01:32:

a printer produced 176400 lines in 420 minutes
it produces 176400/420 lines per minute = 420
answer is : 420 lines per minutes

Ques:- You have two jars, 50 red marbles and 50 blue marbles. A jarwill be picked at random, and then a marble will be pickedfrom the jar. Placing all of the marbles in the jars, howcan you maximize the chances of a red marble being picked?What are the exact odds of getting a red marble using yourscheme?
Ques:- In which ratio must water be mixed with milk costing Rs. 12 per litre to obtain a mixture worth of Rs. 8 per litre?
A. 1 : 2
B. 2 : 1
C. 2 : 3
D. 3 : 2
Recent Answer : Added by Muhammad Adnan On 2022-03-09 16:41:05:

B

Ques:- What has been your biggest frustration?
Ques:- (53/3)r=(15)r ,find the value of r?
Recent Answer : Added by Vishal Jha On 2021-08-24 15:05:38:

0

Ques:- The radius of the two circular fields is in the ratio 3: 5 the area of the first field is what percent less than the area of the second?
Ques:- What are some things you would like to avoid in a job? Why?
Ques:- Indu gave Bindu Rs.1250 on compound interest for 2 years at 4% per annum. How much loss would Indu has suffered had she given it to Bindu for 2 years at 4% per annum simple interest?
Ques:- Price of an article after reducing 20% is 240 then Find out its initial price?
Ques:- How many your family member.

Contact with us regarding this list

Devendra Bhardwaj With a decade of experience as a Job Hiring Expert, I am a results-driven professional dedicated to elevating recruitment strategies. My expertise lies in navigating the dynamic landscape of talent acquisition, employing innovative approaches to attract, assess, and secure top-tier candidates. I excel in optimizing hiring processes, leveraging cutting-edge technologies, and fostering collaborative relationships with stakeholders. A keen understanding of industry trends allows me to stay ahead, ensuring a competitive edge in securing the best talent for your organization. I am passionate about connecting the right people with the right opportunities and thrive in creating impactful, streamlined recruitment solutions.

Scroll to top