# DES Interview Questions, Process, and Tips

Ques:- Why would you choose to work here and not somewhere else?
Ques:- Two pipes X and Y can separately fill a tank in 2 minutes and 15 minutes respectively. Both the pipes are opened together but 4 minutes after the start the pipe X is turned off. How much time will it take to fill the tank?
Ques:- Finish the series : 5,6,7,8,10,11,14,..?

In the given series 5,6,7,8,10,11,14…
There are two series
First is 5,7,10,14…
Second is 6,8,11….
First series
5+2=7
7+3=10
10+4=14
Second series
6+2=8
8+3=11
11+4=15
Hence complete series is 5,6,7,8,10,11,14,15…

Ques:- if a ball is dropped from 8 meter and it bounce back half the distance then what is the distance it travel before going to rest?

to reach land
first time it travels 8 mtrs
next time (half=4) 4+4 mtrs (up&down)
next time (half=4) 2+2 mtrs (up&down)
next time (half=4) 1+1 mtrs (up&down)
and so on.
Altogether,close to 24 mtrs.

Ques:- How would you describe yourself?
Ques:- I normally like to ______________ on Sundays (please enter your
Ques:- A certain sum of money is invested for one year at a certain rate of simple interest. If the rate of interest is 3% higher, then the invest earned will be 25% more than the interest earned earlier. What is the earlier rate of interest?
Ques:- One quality of wheat Rs.9.30 per kg is mixed with another quality of wheat Rs. 10.80 per kg then what will be the ratio in which they must be mixed so that the net cost is Rs. 10 per kg?

8:7 ratio

Ques:- Sum of two numbers is 15. Two times of the first exceeds by 5 from the three times of the other. Then the numbers will be?

The first number is 10 and the second number is 5

Ques:- How did spent your yesterday?
Ques:- If you won the lottery, would you still work?
Ques:- In each questions below are given two statements followed by two conclusions numbered I and II.
Statements :
All mangoes are golden in colour. No golden coloured things are cheap.
Conclusions :
I. All mangoes are cheap.
II. Golden coloured mangoes are not cheap.
A. if only conclusion I follows
B. if only conclusion II follows
C. if either conclusion I or II follows
D. if neither conclusion I nor II follows
E. if both conclusions I and II follow
Ques:- You have done MBA in 2006. What you were doing for last two years ?
Ques:- Why do you want to to change the job
Ques:- Eight persons – P, Q, R, S, T, U, V and W are sitting around a circular table. S is to the immediate right of W. V is not next to either R or T. W is to the immediate right of T, who is sitting opposite to R. U and W are sitting opposite to each other. If V is to the immediate left of P, then who is to the immediate left of R?

T is sitting opposite to R and W is sitting opposite to U

Ques:- How many kg of sugar costing Rs. 11.70/kg must be mixed with 24 kg of sugar costing Rs. 8.1/kg. So that there may be a gain of 15% by selling the mixture at 9/kg?
A. 6 kg
B. 7 kg
C. 8 kg
D. 10 kg

C. 8 kg

Ques:- What is personally fascinating about the areas of your job in which you wish to expand your knowledge?
Ques:- How can i work when i join the company
Ques:- The LCM of three different numbers is 120. Which of the following cannot be their HCF?
A. 8
B. 12
C. 24
D. 35

35 is not the factor of 120 so…35 is the answer

Ques:- Why are you interested working here?
Ques:- How will you manage security of v vip person
Ques:- 10 in 4 seconds, ? in 6 minutes

1min = 60 seconds
6 min=6*60=360seconds
4 sec=10
360sec=360*10 /4=900

Ques:- What have you done to improve your knowledge in the last year?
Ques:- The sum of the squares of two consecutive positive integers exceeds their product by 91. Evaluate the integers?
Ques:- What is the optimum number of operations for 2*(x**3)+3*(x**2)+5*x+5?

Ques:- Showing the man receiving the prize, Saroj said, “He is the brother of my uncle’s daughter.” Who is the man to Saroj?