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Placement Papers with Solutions

(#M40010796) TCS QUESTION Keep an EYE

15 students join a summer course. Every day 3 students are on duty after school to clean the class rooms. After the course, it was found that every pair of students has been on duty exactly once. How many days does the course last for?
a) 35 b) 45 c) 105 d)none of these

Asked In TCS krishnamurthy (13 years ago)

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(#M40010793) TCS QUESTION Keep an EYE

a drawer holds 4 red hats n 4 blue hats. what is the probability of getting exactly 3 red hats or exactly 3 blue hats when taking out 4 hats randomnly out of the drawer n immediatly returning evry hat to the drawer b4 taking out the next!??

1/2
1/8
1/4
3/8

Asked In TCS (13 years ago)

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(#M40010791) ELITMUS QUESTION LR Keep an EYE

New public school have a circular layout.the school has teachers specializing in various subjects.
All classroom of the school are equally spaced apart and located along its perimeter.Each Teacher needs
four classes in day.there is strange rule.the first and last class has to be in the same class room.the
other two classes have to be at two other distinct class rooms.



Answer the following

a:) Bharti is a history teacher.in addition to above rule of the school she teaches exactly one pair of
successive classes in adjacent classrooms.how many distinct trips to classes rooms are possible for Bharti
if there are 12 classroom in school.


1;) 120
2:) 96
3:) 576
4:) 496

b:) Ram is a Math Teacher.he never teaches two successive classes in adjacent classrooms.how many distinct trip
to classroom are possible for ram if there are 9 classroom in the school.

1:) 72
2:) 324
3:) 30
4:) 180

Asked In Elitmus sandeep pandey (13 years ago)

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Is this Puzzle helpful?   (20)   (20) Submit Your Solution Permutation and Combination

(#M40010784) OTHERS QUESTION Keep an EYE

what is the sum of all even numbers between 99 and 301

Asked In Others krishnaprasad TATA (13 years ago)

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(#M40010763) TECH MAHINDRA QUESTION arithmetic Keep an EYE

If x + y = 3 and y/x= 2 then y = ?
(a) 0
(b) 1/2
(c) 1
(d) 3/2
(e) 2

Asked In Tech Mahindra SATHISH T.N (13 years ago)

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(#M40010748) TCS QUESTION Keep an EYE

How many 7’s are there between 0 to 400?

Asked In TCS krishnamurthy (13 years ago)

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(#M40010747) TECH MAHINDRA QUESTION arithmetic Keep an EYE

The average of a couple was 23Yrs when they were married 5Yrs ago.The avg age of
the couple and a child, who was born during the interval, is 20Yrs now. How old is the
child now ?

A)2 Yrs
B)4 Yrs
C)3 Yrs
D)1 Yrs
E)None of these

Asked In Tech Mahindra SATHISH T.N (13 years ago)

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(#M40010746) TECH MAHINDRA QUESTION arithmetic Keep an EYE

At the foot of a mountain the elevation of its summit is 45 degrees. After ascending one
KM towards the mountain upon an incline of 30 degrees, the elevation changes to 60
degrees. Find the Height of the mountain?

A)1.333Km
B)1.366Km
C)1.233Km
D)1.266Km
E)None of these

Asked In Tech Mahindra SATHISH T.N (13 years ago)

Unsolved Read Solution (6)

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(#M40010745) TECH MAHINDRA QUESTION arithmetic Keep an EYE

Three faces of a fair die are Yellow, two faces red and one blue.The die is tossed three
times. The probability that the colours, yellow, red and blue appear in the first, second and
third tosses respectively is

A)1/36 B)1/18 C)1/32 D)1/37 E)None of these

Asked In Tech Mahindra SATHISH T.N (13 years ago)

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(#M40010744) TECH MAHINDRA QUESTION arithmetic Keep an EYE

A man distributes 0.375 of his money to his wife and 0.4 to his son. He has still Rs.3,375
left with him. How much did his wife get?

Asked In Tech Mahindra SATHISH T.N (13 years ago)

Unsolved Read Solution (10)

Is this Puzzle helpful?   (16)   (7) Submit Your Solution Arithmetic