National chemical laboratory Interview Questions, Process, and Tips

Ques:- When was the last time you were angry? What happened then?
Ques:- What would you say to your boss if he?s crazy about an idea, but you think it stinks
Ques:- How was my experience in the last company?
Ques:- Find the C.I. on a sum of Rs.1600 for 9 months at 20% per annum, interest being compounded quarterly?
Ques:- A sequence is given. You should find out error & write correct answer. 2,3 6,7 14,15 29,46
Recent Answer : Added by Admin On 2020-05-17 12:02:33:

Error is at 46. Correct one is 29+1=30

Ques:- Tell us when in past you were able to demonstrate your leadership skils.
Ques:- There is a 50m long army platoon marching ahead. The last person in the platoon wants to give a letter to the first person leading the platoon. So while the platoon is marching he runs ahead, reaches the first person and hands over the letter to him and without stopping he runs and comes back to his original position. In the mean time the whole platoon has moved ahead by 50m. The question is how much distance did the last person cover in that time. Assuming that he ran the whole distance with uniform speed.
Recent Answer : Added by Admin On 2020-05-17 12:00:37:

The last person covered 120.71 meters.
It is given that the platoon and the last person moved with
uniform speed. Also, they both moved for the identical
amount of time. Hence, the ratio of the distance they
covered – while person moving forward and backword – are
equal.
Let’s assume that when the last person reached the first
person, the platoon moved X meters forward.
Thus, while moving forward the last person moved (50+X)
meters whereas the platoon moved X meters.
Similarly, while moving back the last person moved [50-(50-
X)] X meters whereas the platoon moved (50-X) meters.
Now, as the ratios are equal,
(50+X)/X = X/(50-X)
(50+X)*(50-X) = X*X
Solving, X=35.355 meters
Thus, total distance covered by the last person
= (50+X) + X
= 2*X + 50
= 2*(35.355) + 50
= 120.71 meters
Note that at first glance, one might think that the total
distance covered by the last person is 100 meters, as he
ran the total lenght of the platoon (50 meters) twice.
TRUE, but that’s the relative distance covered by the last
person i.e. assuming that the platoon is stationary.

Ques:- 3,3,5,4,4,-,-,5,4,3, find the blanks of given series
Recent Answer : Added by Admin On 2020-05-17 12:04:19:

the series will be like that
3,3,5,4,4,3,5,5,4,3
because
1 contains 3 alphabets so 1st element is 3 (ONE)
then 2 contains (TWO) alphabets and so on
the series will be as above

Ques:- Given two billion distinct points on a plane such that no three are collinear. I color any half of them red and the Remaining blue. Is it always possible for you to join each red point to one (and Only one) blue point by means of line segments suc…
Ques:- The ratio of white balls and black balls is 1:2. If 9 gray balls is added it becomes 2:4:3. Then what is number of black balls.
Recent Answer : Added by Admin On 2022-09-29 18:19:28:

these are question tht are seem to be like it consumes
time. so dont see jus the question and run to the next .

ans. a) 12

if 9 balls are added then the ratio to the combination
becomes 2:4:3.

9 balls make the ratio 3 for grey balls in tht mixture.
so the factor is 9/3 = 3 (in tht mixture)

so the same factor has to be maintained through out the
ratio. so black balls is 4 * 3 = 12 and white balls is 2 *
3 = 6.

Ques:- In the reading room of a library, there are 10 tables, 4 chairs per table. In each table there are different numbers of people seated. How many ways they will sit in the library so that no chair would be blank?
A. 8
B. 6
C. 2
D. 5
E. 4
Recent Answer : Added by Swarup On 2021-12-23 16:25:57:

4

Ques:- In one sentence, describe your experience at this company?
Ques:- If s(a) denotes square root of a, find the value of s(12+s(12+s(12+ …… upto infinity.
Ques:- If the 3 digit number AB9 is a perfect square is A an odd digit?
Ques:- Three pipes A, B and C can fill a tank from empty to full in 30 minutes, 20 minutes and 10 minutes respectively. When the tank is empty, all the three pipes are opened. A, B and C discharge chemical solutions P, Q and R respectively. What is the proportion of solution R in the liquid in the tank after 3 minutes?
Recent Answer : Added by Manan On 2022-08-14 18:01:24:

6/11 or 54.54%

Ques:- Why u change company?
Ques:- The sum of the present ages of two persons A and B is 60. If the age of A is twice that of B, find the sum of their ages 5 years hence?
Recent Answer : Added by OLUCHI Perpetual Ndimkaoha On 2022-09-22 16:40:12:

24

Ques:- What about yourself? What is your role?
Ques:- How do you feel about the way you & others in the department were managed by your supervisor?
Ques:- When you are part of a team that is working exceptionally well, what do you think the reasons are for its success?
Ques:- Give an example of a time you had to respond to an unhappy manager/ customer/ colleague/ professor/ friend.
Ques:- Greengrocer C. Carrot wants to expose his oranges neatly for sale. Doing this he discovers that one orange is left over when he places them in groups of three. The same happens if he tries to place them in groups of 5, 7, or 9 oranges. Only when he makes groups of 11 oranges, it fits exactly. How many oranges does the greengrocer have at least?
Ques:- The average of first ten prime numbers which are odd is?
Recent Answer : Added by Admin On 2022-09-28 17:42:11:

The first 10 odd prime numbers are 3, 5, 7, 11, 13, 17, 19, 23, 29 and 31.

Sum of the odd prime numbers = (3+5+7+11+13+17+19+23+29+31)

= 158

Number of odd prime numbers = 10

We know, Average = (sum of the 10 odd prime numbers ÷ Number of odd

prime numbers)

Average =

= 15.8

∴ The Average of first 10 prime numbers which are odd is 15.8

Ques:- What are you doing?
Ques:- Five boys standing in a row facing east. Deepak is to the left of Sameer, Tushar and Shailendra. Sameer, Tushar and Shailendra are to the left of Sushil. Shailendra is between Sameer and Tushar. If Tushar is fourth from the left, how far is Sameer from the right?
Ques:- There is a frog who can make jumps of length 3,5,7. There are stones in a river at distances a1, a2 an. The other end of the stream is n distance away. Can the frog cross the stream. What if the frog can make jumps backwards ?
Ques:- Exploring capability to manage multiple projects and provide recommendations
Ques:- What is difference between psu n central govt employee?
Ques:- Program in C for factorial of a given number
Ques:- How do you feel about being told that you are doing something wrong?

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