# Photon Infotech P Interview Questions Answers, HR Interview Questions, Photon Infotech P Aptitude Test Questions, Photon Infotech P Campus Placements Exam Questions

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Ques:- a group of friends goes for dinner and gets bill of Rs 2400 . Two of them says that they have forgotten their purse so remaining make an extra contribution of Rs 100 to pay up the bill. Tell the no. of person in that group

Let ‘x’ be the number of perons in the group and let ‘y’ be
amount per head which they have to pay.
Then xy = 2400.
or y = 2400/x
Since two friends have forget the purse, x-2 persons should
share the total amount(2400).
If they share, they have to make an extra contribution of
Rs 100 to pay up the bill
That is x-2 persons should pay y+100 each
or (x-2)(y+100) = 2400
or y+100 = 2400/(x-2)
or y = 2400/(x-2) – 100
Therefore we have got two equations namely,
y= 2400/x and y = 2400/(x-2) – 100
Comparing these two, we get
2400/x = 2400/(x-2) – 100
Solving this we get
x^2 – 2x -48 = 0
or (x-8) (x+6) = 0
or x = 8 or x = -6
Since ‘x’ denote the number of persons, it should be
positive.
So, x = 8.

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Ques:- And why do you think you are ambitious?
Ques:- A and B do a work with 5 days, A and C in 6 days, B and C in 20 days.If A do alone how many days it will take?

8 days

Ques:- Healing of wound is accelerated by?
Ques:- Why do you expect this much salary?
Ques:- Are you able to work in any shifts?
Ques:- There is a escalator and 2 persons move down it.A takes 50 steps and B takes 75 steps while the escalator is moving down. Given that the time taken by A to take 1 step is equal to time taken by B to take 3 steps. Find the no. of steps in the escalator while it is staionary.

16

Ques:- A man can row upstream at 25 kmph and downstream at 35 kmph, and then find the speed of the man in still water?

I believe it will be 30 km/hr

Ques:- Sum of two numbers is 80. Greater number exceeds by 5 from four times of the smaller. Find the numbers?

Let x and y be the two numbers. And x > y.
Then,
x + y = 80—–(1)
y=80-y
Also,
x = 4y – 5
Solving the two equations,
80 – y = 4y – 5
85 = 5y
Therefore, y = 17
put the value of y in equation(1)
then
x+y=80
x+17=80
x=63
the numbers are 17&63

Ques:- One train is traveling 45 kmph and other is at 10 meters a second. What is the ratio of the speed of the two trains ?
Ques:- X, Y and Z enter into partnership. X invests some money at the beginning, Y invests double the amount after 6 months, and Z invests thrice the amount after 8 months. If the annual gain be Rs.18000. X’s share is?

600

Ques:- A single discount equivalent to the discount series of 20%, 10% and 5% is?

31.6%
100-20%=80
80-10%=72
72-5%=68.4
100-68.4= 31.6%

Ques:- The diameters of two spheres are in the ratio 1:2.Find the ratio of their volumes?

Ratio of diameters=1:2
Ratio of volumes=(4/3*3.14*r1^3)/(4/3*3.14*r2^3)
=r1^3/r2^3=1^3/2^3=1/8

Ques:- Rajan got married 8 years ago. His present age is 6/5 times his age at the time of his marriage. Rajan’s sister was 10 years younger to him at the time of his marriage. The age of Rajan’s sister is:

38 years

Let Rajan’s present age be x years. Then, his age at the time of marriage = (x – 8) years.

x = 65(x−8)

⇒5x=6x−48

⇒x=48 years

Rajan’s sister’s age at the time of his marriage = (x – 8) – 10 = (x – 18) = 30 years

∴ Rajan’s sister’s present age = (30 + 8) years = 38 years

Ques:- How could you have improved your career progress?