# Lam research Interview Questions Answers, HR Interview Questions, Lam research Aptitude Test Questions, Lam research Campus Placements Exam Questions

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Ques:- Two trains are moving in the same directions at 65 km/hr and 45 km/hr. The faster train crosses a man in slower train in 18 seconds. The length of the faster train is
A. 100 m
B. 120 m
C. 145 m
D. 180 m

Relative speed =65-45km/hr
Relative speed=20km/hr
Convert to m/s
S=20*5/18
S=5.555
Length of the faster train =5.55555*18seconds
=100meters

Ques:- Three sets of English, Mathematics and Science books containing 336, 240 and 96 books respectively have to be stacked in such a way that all the books are stored subject wise and the height of each stack is the same. Total number of stacks will be
A. 7
B. 14
C. 21
D. 28

14

Ques:- Gautam started a business with a sum of Rs.60000. Jatin joined him 8 months later with a sum of Rs.35000. At what respective ratio will the two share the profit after two years?
A. 37 : 14
B. 18 : 7
C. 3 : 1
D. 2 : 1

390

Ques:- If a passenger train takes twice to cross a freight train to overtake than to cross each other in opposite direction find how many times faster is passenger train than the freight train

TWICE

Ques:- What you will do if you earn million rupee in a day?
Ques:- School Life/College Life/Difference in both the tenure

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Ques:- A man collects cigarette stubs and makes one full cigarette with every 8 stubs. If he gets 64 stubs how many full cigarettes can he smoke

9 because from 64 stubs 8 cigarettes and again from 8 stubs he’ll get 1 cigarette then his score will be 9

Ques:- If you get into Google, which products you would like to work on?
Ques:- What is the largest prime number stored in 8 bit memory?

251

Ques:- How do you think our company competes with is competitor?
Ques:- Each side of a rectangle is increased by 100% .By what percentage does the area increase?

400%

e.g:-

l = 5 b = 2
Area= l*b =10

New after 100% increament
l=10 b = 4
Area = 10*4

Ques:- A frog in a well 30 ft deep jumps 3 ft slips 2 ft each day.How many days does take on the whole?

Day 1: 30-3ft = 27+2ft = 29
Day 8: 23 jumps 3ft = 20 slips 2ft = 22
Day 16: 13 jumps 3ft = 10 slips 2ft = 12
Day 24: 3 jumps 3ft = Out?

Ques:- How to handle in critical position?
Ques:- If you have some problem with your job timing, please tell me?
Ques:- Any personal details as a HR requirement
Ques:- Family Members Working?
Ques:- A man leaves office daily at 7pm A driver with car comes from his home to pick him from office and bring back homeOne day he gets free at 5:30 and instead of waiting for driver he starts walking towards home. In the way he meets the car and returns home on car He reaches home 20 minutes earlier than usual.In how much time does the man reach home usually??

Since the car has met the person 20 minutes before hand, it has actually saved 10 mins of journey (to and fro)

since the man has started 1.30 hrs before and car has met him 10 mins before actual time he takes to reach daily is 1hr and 20 mins

Ques:- A man can row 6 kmph in still water. When the river is running at 1.2 kmph, it takes him 1 hour to row to a place and black. How far is the place?

2.88

Ques:- A work which could be finished in 9 days was finished 3 days earlier after 10 more men joined. The number of men employed was?

No of men employed = N

No of days to finish the work = 9 days

No of men after increase = (N + 10)

No of days to finish the work = 6 days

Equating mandays

9N = (N+10)*6

9N — 6N = 60

3N = 60

N = 20

No of men employed = 20

Ques:- A sum of money becomes double itself in 8 years at simple interest. How many times will it become 10 years at the same rate?