Hack reactor Interview Questions, Process, and Tips

Ques:- Are you willing to work at night?
Recent Answer : Added by jackson On 2022-11-29 17:07:09:

yes

Ques:- From 5 litres of a 20% solution of alcohol in water, 2 litres of solution is taken out and 2 litres of water is added to it. Find the strength of alcohol in the news solution.
A. 10%
B. 12%
C. 15%
D. 18%
Recent Answer : Added by Mohammad On 2022-11-18 16:03:05:

In 5liter alchol is 20%
In 1liter alchol is0.2÷5=0.04liter

Taken out 2liter solution =3liter solution
Alchol present 3×0.04=0.12liter
7liter water alhol present=0.12liter
12%

Ques:- Present ages of Sameer and Anand are in the ratio of 5:4 respectively. Three years hence, the ratio of their ages will become 11:9 respectively. What is Anand’s present age in years?
Ques:- If a car starts from A towards B with some velocity due to some problem in the engine after travelling 30km.If the car goes with 4/5 th of its actuval velocity the car reaches B 45min later to the actual time. If the car engine fails ofter travelling 45km, the car reaches the destination B 36min late to the actual time , what is the initial velocity of car and what is the distance between A and B in km
Recent Answer : Added by DK BOSS On 2021-07-17 06:18:31:

Ans. let x is distance from A to B
and y is initial speed.
30/y+(x-30)5/4y -x/y = 3/4
=> 4x-12y=120 —-(1).
45/y + (x-45)5/4y -x/y=3/5
=> 5x-12y=225 ——-(2).
From equ (1) and equ (2) we will get.
x=25 and y=105
so initial speed is 25 km/hr
and Distance From A to B is 105 km

Ques:- Why I didn’t chose for the placement offer I received from my campus
Ques:- Describe your work ethic.
Ques:- If JOSEPH is coded as FKOALD, then GEORGE will be coded as
Ques:- What r u doing now a days?
Ques:- What will be the next great improvement in search technology?
Recent Answer : Added by Admin On 2020-05-17 12:01:51:

Creating a virtual image of the search topic

Ques:- There are 4 identical tabulates 2 for fever and 2 for cough,you have to take 1 tabulate of fever and 1 tabulate ofcough, if you consume 2 same type of tabulates you will die.then how to consume tabulates???
Recent Answer : Added by Sindhu On 2021-08-18 16:21:10:

we need to take half tabulate among the 4 tablets. den it ll be like 1 tabulate is of fever and one tabulate is of cough

Ques:- Find out the total numbers between 1 to 999 that are neither divisible by 8 nor by 12?
Recent Answer : Added by Admin On 2020-05-17 12:02:07:

divisible by 8 – 124
” 12 – 83
” both – 41
124 + 83 – 41 = 166
999 – 166 = 833
ans is 833…..

Ques:- Two buses start from the opposite points of a main road, 150 kms apart. The first bus runs for 25 kms and takes a right turn and then runs for 15 kms. It then turns left and runs for another 25 kms and takes the direction back to reach the main road. In the meantime, due to a minor breakdown, the other bus run only 35 kms along the main road. What would be the distance between the buses at this point?
Recent Answer : Added by Pardip Divekar On 2021-06-23 17:55:33:

65 KM

Ques:- A right circular cylinder and a cone are there. Base radius of cone is equal to radius of cylinder. What is the ratio of height to slant side if their volume are the same?
Recent Answer : Added by Admin On 2020-05-17 12:01:55:

underroot(1-r^2)/3

Ques:- If + means * and * means / and / means %. what is the value of 2+3*5/7?
Recent Answer : Added by Admin On 2020-05-17 12:03:17:

wake up guys and see modulo % can return only integer value.
So answer will be 1 and all other answers are wrong. You can
run your equation in C code and check the output.

Ques:- A room is 4 meters 37 cm long and 3 meters 23cm broad. It is required to pave the floor with minimum square slabs. Find the number of slabs required for this purpose?
Ques:- Who is the chief minister of Delhi ?
Ques:- Write a letter to top management
Ques:- If (n – 1) is an odd number, what are the two other odd numbers nearest to it?
A. n, n – 1
B. n, n – 2
C. n – 3, n + 1
D. n – 3, n + 5
Recent Answer : Added by Rohan On 2021-11-13 11:02:06:

c

Ques:- A can run a kilometer race in 4 1/2 min while B can run same race in 5 min. How many meters start can A give B in a kilometer race, so that the race mat end in a dead heat?
Recent Answer : Added by Abhi Chatterjee On 2022-01-08 16:05:14:

A can give B (5 min – 4 1/2 min) = 30 sec start.
The distance covered by B in 5 min = 1000 m.
Distance covered in 30 sec = (1000 * 30)/300 = 100 m.
A can give B 100m start.

Ques:- If a and b are mixed in 3:5 ration and b and c are mixed in 8:5 ration if the final mixture is 35 liters, find the amount of b?
A. 13.34
B. 15.73
C. 16.73
D. 9.45
E. 5.3
Ques:- What is the difference between you and the person at the post?
Ques:- 12.05 x 5.4 ? 0.3 = ?
Recent Answer : Added by Admin On 2020-05-17 12:03:30:

( b ) 216.90

Ques:- Why do you wish to change your Career Specialization?
Ques:- How many 13 digit numbers are possible by using the digits 1,2,3,4,5 which are divisible by 4 if repetition of digits is allowed?
Recent Answer : Added by Admin On 2022-09-29 15:07:51:

Therefore, the number of possible 13 digit numbers using 1, 2, 3, 4, 5 which are divisible by 4

= x 3 + x 2

= (3 + 2)

=

= 244140625 ways

Ques:- Two pipes X and Y can separately fill a cistern in 18 and 24 hours respectively. If they are turned on alternately for one hour each, how long will it take to fill the cistern?
Recent Answer : Added by Admin On 2022-09-28 17:08:06:

X filling rate is 1/18 or 4/72 per hour

Y filling rate is 1/24 or 3/72 per hour

Combined as a pair it’s 7/72 in a complete 2 hour alternating sequence

72+ 7/72 =10 sequences = 70/72 on 20 hours, The outstanding balance is just 2/72

So at 20.5 hours with X turn filling is 100% complete with 72/72

Answer: It will take 20.5 hours to completely fill this tank.

Analysis of measured filling process, from X = 42/72 share & from Y = 30/72 share

Ques:- If a: b = 7: 5, b: c = 9: 11, Evaluate a: b: c?
Recent Answer : Added by Arbaz khan On 2022-09-02 17:02:49:

63:45:55

Ques:- How much experience do you have in this transportation field?
Ques:- Rate yourself on a scale of 10 for handling disputes successfully?
Ques:- 1,2,3,5,?,10,15,30
Recent Answer : Added by Admin On 2020-05-17 12:04:34:

these r all factors of 30
1*30=30
2*15=30
3*10=30
5*6=30
like that

Ques:- Relation with any working staff

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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.

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