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Placement Papers with Solutions

(#M40000017) INFOSYS QUESTION Keep an EYE

There are 2 diamonds, 1 spade, 1 club and 1 heart. Out of these 5 cards there are 1 king, 1 jack, 2 queen and 1 ace. These are arranged in a straight line. Find the probability that
1. The king is at third place
2. The left of jack is an ace and its right is king
3. No two red colors are consecutive.
4. The queens are separated by two cards.

Solution

1) Probability to get the king at third place = 1/5
2) Probability to get the left of jack an ace and its right a king
= (3*2*1/2*1)/(5*4*3*2*1/2*1)

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Asked In Infosys (16 years ago)

Solved

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(#M40000011) INFOSYS QUESTION Keep an EYE

There is 66x33m rectangular area. Ram is 11/8 times faster than Krishna. Both of them started walking at opposite ends and they met at some point then, Ram said "See you in the other end" Then they continued walking. After some time Ram thought he will have tea so he turned back walked back 15 meters then he changed his mind again and continued walking .How much Krishna has traveled by the time they meet?

Asked In Infosys (16 years ago)

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(#M40000009) INFOSYS QUESTION Keep an EYE

There are 5 burglars and once went to a bakery to rob it obviously. The first guy ate 1/2 of the total bread and 1/2 of the bread. The second guy ate 1/2 of the remaining and 1/2 of the bread. The third guy ,fourth guy and fifth guy did the same. After fifth guy there is no bread left out. How many bread are there?

Solution

(1/2 + 1/2) = 1
2(1 + 1/2) = 3
2(3 + 1/2) = 7
2(7 + 1/2) = 15
2(15 + 1/2) = 31

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Asked In Infosys (16 years ago)

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(#M40000008) INFOSYS QUESTION Keep an EYE

There is a 5 digit no.
3 pairs of sum is eleven each.
Last digit is 3 times the first one.
3rd digit is 3 less than the second.
4th digit is 4 more than the second one.
Find the digit.

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(#M40000007) INFOSYS QUESTION Keep an EYE

One soap can be made out of the scraps obtained while preparing 11 soaps. How many soaps can be prepared out of the scrap obtained out of 251 soaps. (Take all possibilities)

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(#M40000006) INFOSYS QUESTION Keep an EYE

There are 11more animals than birds in a pet shop. If there are as many birds as animals and if there are as many animals as birds the no. of legs is 4/5 of the original. How many birds and animals are there?

Asked In Infosys (16 years ago)

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(#M40000005) INFOSYS QUESTION Keep an EYE

My neighbor has seven children. Every brother has equal no. of brothers and sisters, but each sister has twice as many brothers as sisters. How many brother & sister?

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(#M40000004) INFOSYS QUESTION Keep an EYE

5. Boys are allowed to watch football at c.v.Raman auditorium subjected to conditions.
1. the boy over age 16 can wear overcoat
2. no boy over age 15 can wear cap
3. to watch the football either he has to wear overcoat or cap or both
4. a boy with an umbrella or above 16 or both cannot wear sweater.
5. boys must either not watch football or wear sweater.
What is the appearance of the boy who is watching football.

Solution

According to all the conditions they should be less than 15. They should wear cap and sweater

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(#M40000002) INFOSYS QUESTION Keep an EYE

3 members expect which will be the elected party among 4 parties namely A, B, C, D
X expects that either A or B will win.
Y expects that either A or C will win
Z expects that neither B nor C will win
One part of each members statement is correct. Which party will win?

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(#M40000001) INFOSYS QUESTION Keep an EYE

Three neighbors are there. 1st one lends 2nd and 3rd that many no. of tractors that then already each had. After few months, 2nd lends to 1st and 3rd that many tractors then they had. After a few months 3rd lends to 1st and 2nd that many tractors then they had. Now each of them got 24. Find how many they had initially?

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