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Placement Papers with Solutions

(#M40000407) TCS QUESTION Keep an EYE

A sheet of paper has statements numbered from 1 to 40. For each value of n from 1 to 40, statement n says "At least n of the statements on this sheet are true." Which statements are true and which are false?
a) The even numbered statements are true and the odd numbered are false.
b) The first 26 statements are false and the rest are true.
c) The first 13 statements are true and the rest are false.
d) The odd numbered statements are true and the even numbered are false.

Asked In TCS V.V.Ravi Teja (15 years ago)

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(#M40000088) INFOSYS QUESTION Keep an EYE

Ramesh sit around a round table with some other men. He has one rupee more than his right person and this person in turn has 1 rupee more than the person to his right and so on, Ramesh decided to give 1 rupee to his right & he in turn 2 rupees to his right and 3 rupees to his right & so on. This process went on till a person has 'no money' to give to his right. At this time he has 4 times the money to his right person. How many men are there along with Ramesh and what is the money with poorest fellow.

Asked In Infosys (15 years ago)

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(#M40000390) SELF QUESTION BINARY OPERATIONS Keep an EYE

PROVE{1,W,W^2}IAS A GROUP W.R.T TO MULTIPLICATION

(15 years ago)

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(#M40000389) SELF QUESTION BINARY OPERATIONS Keep an EYE

PROVE THAT{1,-1,I,-I}IS A GROUP W.R.T MULTIPLICATION AND ALSO FIND THEIR INVERSE

(15 years ago)

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(#M40000388) SELF QUESTION binary operations Keep an EYE

prove that if *is an associativebinary composition IN ASET A SUCH THA EVERY ELEMENT OF A IS INVERTIBLE THEN 8 SATISFIES HCANCELLETION LAWS

(15 years ago)

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(#M40000276) MBT QUESTION Keep an EYE

Q. The ratio of no. of boys & girls in a school is 3:2 Out of these % the boys & 25% of girls are scholarship holders. % of students who are not scholarship holders.?

Asked In MBT neeraj (15 years ago)

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(#M40000311) ORKUT QUESTION checking wires Keep an EYE

You're an electrician working at a mountain. There are N wires running from one side of the mountain to the other. The problem is that the wires are not labeled, so you just see N wire ends on each side of the mountain. Your job is to match these ends (say, by labeling the two ends of each
wire in the same way).

In order to figure out the matching, you can twist together wire ends, thus electrically connecting the wires. You can twist as many wire ends as you want, into as many clusters as you want, at the side of the mountain where you happen to be at the time. You can also untwist the wire ends at the side of the mountain where you're at. You are equipped with an Ohm meter, which lets you test the connectivity of any pair of wires. (Actually, it's an abstract Ohm meter, in that it only tells you whether or not two things are connected, not the exact resistance.)

You are not charged [no pun intended] for twisting, untwisting, and using the Ohm meter. You are only charged for each helicopter ride you make from one side of the mountain to the other. What is the best way to match the wires? (Oh, N>2, for there is no solution when N=2.)

Asked In Orkut Bawa (15 years ago)

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(#M40000337) INFOSYS QUESTION math Keep an EYE

There are two balls touching each other circumferencically. The radius of the big ball is 4 times the diameter of the small all. The outer small ball rotates in anticlockwise direction circumferencically over the bigger one at the rate of 16 rev/sec. The bigger wheel also rotates anticlockwise at N rev/sec. What is 'N' for the horizontal line from the centre of small wheel always is horizontal.

Asked In Infosys Dhruv Gupta (15 years ago)

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(#M40000090) 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 andcontinued walking. How much Krishna has traveled by the time they meet?

Asked In Infosys (15 years ago)

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(#M40000310) ORKUT QUESTION Making garlands Keep an EYE

There are 12 flowers of same colour and 3 flowers of another colour. How many different garlands are possible.

Asked In Orkut Bawa (15 years ago)

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