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Frequently Asked Infosys Placement Papers with Solution Page 200

(#M40004144) INFOSYS QUESTION infosys puzzle Keep an EYE

For readers interested in Pythagorean triplets with Consecutive natural numbers, take any odd number -- say 11 -- and square It. 11 squared = 121 = 2(60)+ 1. Add 60 squared to both sides to get 11 squared + 60 squared = 60 squared + 2(60) + 1 = (60 + 1) squared = 61 squared. What do we get? (11, 60, 61). Works every time. Prove it For a general case.

Asked In Infosys (13 years ago)

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(#M40004143) INFOSYS QUESTION infosys puzzle Keep an EYE

Two women were selling marbles int the market place -- 1 at 3 for a paise and other at 2 for a paise. one day both of them were obliged to return home when each had 30 marbles unsold. they put together the 2 lots of marbles and handling them over to a friend asked her to sell them at 5 for 2 paise.
now they were expecting to get 25 paise for the marbles as they would have got if sold separately but much to their surprise they go only 24 paise in total.
where did the 1 paise go ? can anyone explain the mystery?

Asked In Infosys (13 years ago)

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(#M40004142) INFOSYS QUESTION infosys puzzle Keep an EYE

A managing director interviewed candidates for a Responsible position in his company, finally arriving at three whom he could Not separate. He called them together and said, "in my desk i have some Small sticky discs, some of which are black and some white. Close Your eyes and i will stick one on the forehead of each of you. You Must then go into the next room which has no furniture or mirrors. You will Be able to see the discs on each of the other two candidates but not your Own. Without anyone touching any of the discs and without talking To one another, the first one who can solve the problem and come out of The room and tell me what color of disc he has on his forehead, with a Logical reason, will get the job." the candidates went into the room and almost Immediately one came out and said, "i have a black disc on my forehead." he was given the job. What was his reasoning?

Asked In Infosys (13 years ago)

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(#M40004138) INFOSYS QUESTION infosys puzzle Keep an EYE

A fathers age is reverse of sons age. One year back fathers age was twice of sons age. What is the fathers current age?

Asked In Infosys (13 years ago)

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(#M40004130) INFOSYS QUESTION infosys puzzle Keep an EYE

At 6'o clock, the clock ticks 6 times. The time between first and last ticks was 30sec. How much time it takes at 12'o clock?

Asked In Infosys (13 years ago)

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(#M40003588) INFOSYS QUESTION Keep an EYE

There R 9 Cities Numbered 1 To 9. From How Many Cities The Flight Can Start So As To Reach The City 8
Either Directly Or Indirectly Such The Path Formed Is Divisible By 3.

Asked In Infosys sairam bandaru (14 years ago)

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(#M40003259) INFOSYS QUESTION get 120 Keep an EYE

get 120 by using 5 zeros?

Asked In Infosys kaleem (14 years ago)

Solved CHANDAN KR SINGH Read Solution (8)

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(#M40003199) INFOSYS QUESTION Keep an EYE

Y=min(3x+5,10-2x)
what is the maximum value of Y?

Asked In Infosys arjun (14 years ago)

Solved Dr.Dipin Singh Read Solution (4)

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(#M40003016) INFOSYS QUESTION Keep an EYE

What is the volume of a cube?

I.

The area of each face of the cube is 64 square metres.

II.

The length of one side of the cube is 8 metres.

A.
I alone sufficient while II alone not sufficient to answer
B.
II alone sufficient while I alone not sufficient to answer
C.
Either I or II alone sufficient to answer
D.
Both I and II are not sufficient to answer
E.
Both I and II are necessary to answer

Asked In Infosys jai Narayan Mishra (14 years ago)

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(#M40002864) INFOSYS QUESTION Keep an EYE

If you have 5 coins of 1 rupee; 4 coins of 2 rupee and 2 coins of 5 rupee. Then how many combination of coins are possible.

Asked In Infosys arjun (14 years ago)

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